SciShow Kids, hosted by Jessi Knudsen Castañeda, premieres in March.
Koalas live where it’s often hot and dry. But koalas can’t sweat! So how do they keep cool? Jessi has the answer!
The blobfish has been called "The World's Ugliest Animal", but it's actually really cool. Find out why it's shaped the way it is with Jessi and Squeaks.
There is more than one way to measure the same thing! Jessi and her friend The Giant Squidstravaganza (Squid for short) explore the differences between the Metric System and the Imperial System.
In this episode of SciShow Kids, Jessi talks about solar eclipses, and in particular, the solar eclipse of 2015! Jessi will show you how eclipses occur and where the best places to view the eclipse are.
Many animals eat plants, but did you know some plants eat animals? Jessi and Squeaks explore some of their favorite meat eating plants!
Ever wonder why something as heavy as a cruise ship could float above the water? Learn about displacement with Jessi and The Giant Squid, Squidstravaganza!
Join Jessi and Squeaks to learn about a few animals with extreme teeth!
Did you know there will be a lunar eclipse this week? Jessi and Squeaks explore what causes lunar eclipses and why they can make the moon look red!
Sloths might be slow and spend much of their time sleeping, but they’re definitely not boring. Jessi shares three weird facts about sloths!
You know we have four seasons: spring, summer, fall, and winter. But do you know why we have seasons? Jessi shares the answer!
Did you know some astronauts live in space for months at a time? Join Jessi and Squeaks for a tour of the International Space Station and learn what life is like in low gravity!
Join Jessi this week at the fort and learn about the unexpectedly awesome organism that's made up of two living things: LICHEN!
Jessi and Squeaks explore our home galaxy, The Milky Way!
This week, Jessi and Squeaks explore nature’s way of letting off a little steam. Discover the exciting world of volcanoes!
There are more insects in the world than any other kind of animal! In this episode of SciShow Kids, Jessi and Squeaks show you how to identify an insect, in three easy steps!
For a long time, people have seen pictures among the stars -- just like connect the dots! Learn all about constellations, including someone of the easiest ones to spot, and what some people thought they looked like.
Dolphins aren't just smiley and cute! Jessi gives you 5 reasons why dolphins are awesome in this episode of SciShow Kids.
A SciShow Kids viewer has asked us: What is dirt made of? Join Jessi to get the dirt on … dirt!
A SciShow Kids viewer wrote us and asked: How does soap work? Find out what really happens when you take a bath!
A SciShow Kids viewer wrote us to ask how bridges are strong enough to carry cars and trucks! Jessi and Squeaks can explain -- with blocks!
When you think of penguins, you probably think of the kinds you’ve seen in cartoons and movies. But there are at least 18 different kinds of penguins, including some that are tiny, some that live in hot places, and even some that spend time in the woods! Get introduced to 3 types of penguins you’ve probably never met before!
Ever have a staring contest? Why is it so hard?! Jessi answers a question from a curious SciShow Kids viewer: Why do we blink?
Explore the four inner rocky planets, as Jessi and Squeaks take you on a tour of the solar system!
Explore the four gas giant planets, as Jessi and Squeaks take you on a tour of our solar system!
You’ve seen caterpillars, and you’ve seen butterflies. But do you know how a caterpillar becomes a butterfly? Jessi explains the wonder of metamorphosis!
Our friend the Giant Squid inspired a SciShow Kids viewer to write us and ask, “What is squid ink, and can you write with it?” Jessi has the answers!
Jessi and Squeaks introduce you to the amazing, unusual animals and plants from a place like nowhere else on earth: Madagascar!
A SciShow Kids viewer wants to know: How Do Our Bodies Move? Jessi explains, while Squeaks works out!
A SciShow Kids viewer wants to know, “Why do lightning and thunder happen?” Get your raincoat, because Jessi will take you inside a thunderstorm to give you the answer!
Jessi and Squeaks show you how a tiny seed -- like the kind you eat in your trail mix! -- grows into a big plant!
Our journey through the solar system continues, as Jessi gives you a close look at comets and asteroids!
Have you ever wondered how fireflies twinkle and blink on lovely summer nights? Join Jessi and Squeaks at the fort to learn their secret!
Our tour of the solar system isn’t over yet! Jessi introduces you to some of the most newly-named members of the solar system: the five dwarf planets!
Have you ever wondered how animals can live in super cold places all the time? Jessi shows you how some cool animals like whales, polar bears, and penguins, keep warm!
Did you know that when you’re soaring on the swings, or sliding down the slide, you’re taking part in some seriously cool science? Jessi explains the forces you can find at the playground!
Tornadoes are one of nature’s most powerful forces -- see where they come from, how fast they go, and how scientists study them!
Did you know that of all of the rocks in the world, there are only 3 main kinds? What are they? And how can you tell them apart? Jessi and Squeaks show you how you can become a rock detective!
Can you tell a leopard from a jaguar? How are lions different from tigers -- other than those stripes? Jessi introduces you to the four big cats!
Who wants to be a biologist? Learn all about scientists who study life -- like where they do their jobs, the questions they ask, and the tools they use!
Clouds can look like castles made of cotton candy, or they can be thin and wispy. But have you ever wondered what clouds actually are?
Each snowflake is a six-pointed work of art, as cool and as individual as you are. But how does nature make snowflakes?
Do you have any questions about dinosaurs, or anything else about nature, or outer space, or machines, then let us know by leaving a comment or emailing us at kids@thescishow.com.
Would you like to spend all day thinking about dinosaurs? Well, some scientists do! Find out all about what it means to be a paleontologist!
Even if you have a dog of your own, we bet you don’t know these three amazing things about our furry best friends!
Want to learn how to make a super secret hide-out? Jessi shows you how a bedsheet, some books -- and a little bit of science -- can be used to make an awesome fort!
Ever wonder what those little earthworms are up to? Learn why worms are wonderful with Jessi and Squeaks!
Everyone has one, but how did it get there? Learn all about your belly button!
A SciShow Kids viewer wants to know more about spiders so she’s not afraid of them anymore. And know what? They’re not scary! They’re awesome!
Learn how to make a great paper airplane, and find out what makes it fly!
Meet some of the world’s tiniest animals -- micro-animals, that can live at the bottom of the ocean, on our skin, even in space!
Get to know your body’s most important muscle -- your heart -- and learn how to take your own pulse!
Learn how to build a pillow fort with the help of the force called compression. Just save some room for us!
What do kangaroos, koalas, and opossums all have in common? Find out when you learn all about marsupials!
Why are mosquito bites so itchy? Stop scratching while Jessi explains!
A SciShow kid wrote us and asked: What is camouflage and how does it work? Join Jessi as she explores how different kinds of animals play hide-and-seek in the wild!
Join Squeaks and his favorite band, The Whizpops, for a musical experience with Manta Rays!
Autumn means leaves are turning different shades of red, orange, and yellow and falling to the ground. But why? Jessi takes you deep inside a leaf to explain!
Everybody does it! But why does it happen? Jessi gives you a look at your digestive system, to discover why we sometimes get a case of the burps.
Find out what makes stars what they are, and take a tour of some of the most extreme stars in space!
Meet some real-life robots, and find out what robots really are, and what they do for us every day!
You don’t have to be Batman to think bats are awesome! Learn some fun facts about these furry flying mammals.
Maybe you’ve seen skeletons in museums, or in Halloween decorations, but do you know how powerful your skeleton really is? Learn some fun facts about your bones!
What’s that stuff up your nose? Does it do anything? SciShow Kids explains the science of boogers!
Have you ever pretended to be something else? Some animals do too! Learn how animals use mimicry to keep safe, or to sneak a snack!
Want to learn how plants move water around inside them? Or do you just want to turn a stalk of celery purple? Then try our amazing color-changing celery experiment, in class or at home!
Learn about engineers, who dream up a lot of the things you use every day, from toys to tools!
Ever wonder what keeps you from falling over when you’re riding your bike? Jessi, with the help of some other SciShow Kids, shows you the answer!
Have you ever wondered how to tell fruits and vegetables apart? Learn how to with Jessi and Squeaks!
Learn all about archaeologists: the scientists who solve the great mysteries of human history!
From a chocolate chip cookie to a big, juicy strawberry, your favorite sweet snacks have one thing in common: sugar! Join Jessi and learn all about how sugar gets from plants to your kitchen table!
Have you ever wondered how animals stay warm in the winter? Learn all about their natural cozy coats and the other awesome tricks they use to make it through the cold conditions!
How is sound created and how can we hear it? Learn all about how sound works with Jessi and Squeaks on SciShow Kids!
Join Jessi, Squeaks, and a special guest to celebrate the seasons changing by making paper snowflakes!
You're just in time to help Jessi and Squeaks with their baking soda and vinegar experiment! Then, stick around to learn all about chemists, special scientists who study chemicals!
Even though it may be cold outside, we can always think like engineers! Learn how to build a snowman -or a snowrat- with Jessi and Squeaks!
Learn all about teeth! What kinds we have, how they help us, and how human teeth are different from other animals!
Jessi's in the lab, mixing up something kind of strange: Oobleck! Come find out all about this goo that can be a solid and a liquid at the same time, and then learn how to make some for yourself!
We often see beautiful rainbows during or right after a rain storm, but did you know that you can make your very own rainbow at home? Join Jessi and Squeaks to learn how!
Learn about some cool, chilly, spaces with Jessi and Squeaks!
It’s cleaning day at the fort, and all that dust is making us sneeze! But have you ever wondered why we sneeze in the first place? Discover how your body uses mucus and sneezes to keep out the bad stuff and help you stay healthy!
Learn about our 5 main food groups with Jessi and Squeaks, then see if you can name them all!
Join Jessi and some new friends for an experiment to see what sinks, and what floats!
Animals have all kinds tricks to help them get through the winter, but there are things people can do to help them out! Join Jessi and Dino to learn about how you can help the birds in your neighborhood have a safer, warmer winter.
This week, experiment with balloons and learn how you can make your very own rocket with Jessi and Squeaks!
We all need to do it! Learn why we all should brush our teeth, and how brushing keeps our teeth strong and healthy!
February 2nd is Groundhog Day in the United States, and Jessi and Squeaks are celebrating by sharing all kinds of amazing groundhog facts with us! Learn what groundhogs eat, where they live, and how they make it through tough winters!
Even if you have a cat of your own, you might not know these three amazing things about our furry friends!
Join Jessi, Bill and Webb to learn all about the place we call home!
You know ice cream tastes good, but have you ever wondered HOW you can taste it in the first place? Join Jessi and Squeaks to get the scoop on how your tongue helps you taste tasty tastes!
Most of us love flowers for how good they smell! But did you know some flowers are actually pretty stinky? Join Jessi and Squeaks to learn all about Trudy: The World's Smelliest Flower!
Sometimes science can look a lot like magic! This week, Jessi will show you how to make a balloon stick to the wall; no tape required! Stick around to learn how she did it and the science that makes the trick work! Abracadabra!
Join Jessi and Squeaks as they answer questions in the first viewer mail episode from SciShow Kids!
Maybe you've seen animal tracks in the mud after a rainy day, but did you know that you can study these tracks to learn all kinds of things about the animals that made them? Grab your detective hat and join Jessi to find out how!
Have you ever noticed the moon hanging out in the daytime sky and wondered why? Join Jessi and Squeaks to find out!
Join Squeaks and Jessi as they work on their paintings, and learn how you can make new colors!
Humans make a lot of garbage every day, and a lot of it ends up in big, smelly dumps. Luckily, there are things we can do to reuse a lot of our garbage and keep the Earth healthy and clean! Join Jessi and find out how!
Have you ever wanted to make a painting but you’ve run out of paint? Learn how you can make your own watercolors with Jessi and Squeaks!
Learn about different types of weather and how to keep track of your weather observations!
Get your groove on with Squeaks and his favorite band, The Whizpops, for a musical experience with Black Footed Ferrets!
Our friend Elliot thought we should do an episode about composting... so we did! Learn all about how you can turn certain types of trash into nutrient packed soil you can use in the garden!
Bath time's a great time to do experiments with water, and Squeaks wants to show you a great trick you can try out next time you're in the tub!
Join Jessi and friends as they learn about sound waves by making a string phone! Plus, learn how to make your own!
We're celebrating a month of reading fun on YouTube Kids. Read and sing-a-long about dolphins with Squeaks and his favorite band, The Whizpops!
Poop: it's gross... it's funny... it's educational?! Join Jessi and learn all about how you can observe poop in your neighborhood to figure out what kinds of animals live near you! Just don't touch it!
Jessi’s on spring break, but Dino’s here to teach you about birds and how you can recycle items around the house to make bird feeders!
Learn about the oceans with some of Jessi and Squeaks' favorite ocean videos!
Join Jessi and Squeaks to learn all about an amazing aquatic mammal you may not have heard of before: the manatee!
Learn about the three ocean zones with our ocean experts, Dr. Irene Stanella and her lab assistants Wyatt and Ned!
Learn all about the anglerfish! A creepy-looking, deep-sea-dwelling creature that glows!
We've been learning a whole lot about the ocean lately, so we thought it might be fun to put all that knowledge to use with a fun project! Join us as we make an ocean in a jar and learn a little more about the different ocean zones!
Craft along with Jessi and Squeaks to make your own insect art!
Groups of animals have some really interesting names! Learn about them with Jessi and Squeaks!
Have you ever lost a tooth? Or maybe you have teeth that are getting a little wiggly? It's all part of growing up! Join Jessi and Squeaks to learn why we lose our baby teeth and how we can take care of our new permanent teeth! Say "cheese!"
Have you ever wondered if aliens exist? You’re not alone! Learn about what alien life needs to survive in the universe!
Tag along with Jessi and Squeaks to learn how to make your very own model of the Solar System!
Do you have a favorite insect? We really like butterflies! But there's another awesome insect with really big wings and long antenna that you might see flapping around: moths! Moths and butterflies can look really similar, but we've got some tips to help you tell them apart!
You see them when it’s warm outside, hanging out in flowers and working away. Bees! Check out what these buzzing insects are up to, and how you can tell the difference between a bumblebee and a honey bee.
You might enjoy a delicious peach or slice of watermelon this summer, and it's largely in thanks to our pollinating friends: the BEES!
Maybe you've noticed that clouds come in all shapes, sizes and colors. Did you know you can use clues from the clouds to help you figure out what the weather might be like where you live? Jessi and Squeaks have made up a game to help teach you how!
Do you like to go hiking like Jessi and Squeaks do? Have you ever wondered how those mountains you’re hiking on got there? Check out this episode to learn how mountains form, and how mountains can keep growing!
Can you believe that you can blow up a balloon without actually blowing your own air into it!? Follow along with this super neat experiment and find out how!
There’s a lot more to Saturn’s rings than just looking awesome! Find out why!
Nature creates some pretty amazing things, and one of the largest of these is The Grand Canyon!
Have you tried to dig a deep hole? So deep that you could dig all the way to the other side of the Earth? It’s pretty hard, and lots of people have tried. So what’s stopping us from digging through the Earth? It has something to do with layers and a lot of heat!
You may have dreamed of being an astronaut, or maybe that’s what you want to be when you grow up! But how do astronauts become astronauts, and what do they do when they’re in space? Join Jessi and Squeaks to learn what it takes to be an out-of-this-world explorer!
Mountains are some of the biggest things in the world, but today, we're going to teach you how to make some of your own, right on your kitchen table!
Jessi and Squeaks brought home a whole bunch of books! But they aren't quite sure how to get them up the stairs into the house. Join them as they learn about ramps and how these simple machines help us with our work!
Roasting marshmallows over a fire is a lot of fun, but did you know that, in nature, fire keeps our forests clean and healthy and even helps some plants grow?
Have you ever thought about what’s beyond our solar system? Think real big, because we’re about to explore galaxies!
Levers are a simple machine that help us make work easier. But how do they work and how can you make one to help you? Check out this episode with Squeaks and Jessi to learn all about levers!
From skydiving to recess, parachutes are used for fun and safety. So how do parachutes work to slow down people in the sky, or make a fun bubble to play in? Join Squeaks and Jessi as they show you how forces allow parachutes to do their job!
Frogs are really cool! They can jump high, swim fast, and their skin is super slimy! But frogs have some less-slimy, less-hoppy relatives that are just as cool: toads! Join Jessi and squeaks to learn the big and little differences between these two types of animals.
Join Jessi and create your own mini landscape, to see how water can cause erosion, and change a landscape into something different!
Jessi and Squeaks just got a new telescope, and they can't wait to check out the night sky! But there's just one problem: it's too heavy to bring up the stairs into the observatory! Join them as they learn about a simple machine that can help them solve their problem: the pulley!
We all know that the Earth is huge, but what is it made of? Join Jessi and Squeaks for a fun activity to learn about Earth’s layers, and to make your own model of Earth!
Hot Air Balloons! They're those big, beautiful balloons people can float up to the sky in-- but how do they get up there?!
What’s better than slipping and sliding in your backyard on a hot summer day? It’s so much fun! But, how does this fun happen? It has a little something to do with friction!
We've learned before here on SciShow Kids how boats can float on water using displacement! Today, Bill and Webb will show you how to build you own boat and see displacement in action! Anchors aweigh!
Jessi and Squeaks found a ton of rocks for their rock collection... but they're too heavy to get back to the fort! Join them as they figure out the perfect simple machine to help them out: the wheel and axle!
Who-who-who is quick, adorable and one of the best hunters in the whole bird family? Join Jessi and Squeaks to learn some amazing facts about owls!
Join Squeaks for one of his favorite episodes all about RATS! You’ll get to play a few rounds of true or false to learn some interesting facts about these furry creatures!
Today is exciting, because Jessi and Squeaks are making parachutes! Tag along to learn how you can make your own, and what forces are being used to make your parachute work!
Jessi's in her lab mixing up something scary cool: potions! Join her to learn about different kinds of mixtures and how you can mix up your own potions using things you have at home!
Here at SciShow Kids we’re gearing up for the spookiest time of year! And today, we're going to learn all about ravens! Ravens may give you the creepy crawlies, but they have some awesome skills and behaviors that make them very clever animals.
The water in your faucet may once have been part of a cloud...or a snowflake...or even the ocean! And it’s all because of the water cycle!
Sharks are fascinating creatures with cool teeth, awesome scales, and there are over 450 kinds of sharks! Join Jessi and Squeaks to learn some super shark facts!
Check out life under a rock to see what you can learn about insects, spiders, and other animals!
You've had a lot of fun learning new stuff with us on SciShow Kids, but have you ever wondered how and why you remember all that awesome knowledge? Join Jessi and Squeaks to learn about how your brain helps you learn, and way more!
Join Jessi and Squeaks in their brand new fort as they answer letters from their friends in Ivydale, England!
Have you ever moved? Some animals move too! And if an animal moves from one place to another for weather or food, it’s called migration!
Have you ever wondered how you can turn the light on in your house? Or maybe why you can push a doorbell and it makes a sound? This happens because of circuits! Join Jessi and Squeaks as they learn how circuits work, and make their very own!
Jessi has a special guest today who is an expert on the night sky! Join Jessi and Sam the Bat to learn all about constellations, and to test your star knowledge by making flash cards!
Join Jessi and Squeaks as they prepare a special meal for friends. You’ll learn some fun food science facts, like the difference between fruits and veggies and how your tongue works so you can taste food!
Jessi and Squeaks want to learn about what (and how) owls eat! Time to experiment!
We use computers for all kinds of things, like talking to our friends, doing our homework, and watching SciShow Kids! But have you ever wondered how computers can do all of this cool stuff?
It's getting really cold where Jessi and Squeaks live, and that has her thinking about a super cool animal that's always ready for super cold weather: Reindeer!
Some trees lose their leaves in the fall, but some keep their green leaves all year round. Join Jessi and Squeaks to learn about evergreens: where they grow, and how they survive in harsh conditions!
What's black and white, big and fuzzy, and likes to eat bamboo all day? A panda! Join us to learn all about this rare bears and the challenges they face as their habitat disappears.
Plants are all around you! You walk on them, eat them, and even climb them! And guess what? You can even grow your very own!
The snow is really coming down where Jessi lives, so she and Squeaks decided to stay indoors where it's nice and warm and look back on some of the amazing things they've learned about winter! Grab a fuzzy sweater and a mug of cocoa and join them!
Some animals have a special kind of fat below their skin to stay warm in the chilly months. Follow along with this special experiment to learn more about how blubber works!
When the weather starts to get cool, a lot of people start to get sick. So what’s making people sick and how can you avoid falling ill? Join Jessi and Squeaks to find out!
Can you guess how tall the tallest tree is? Neither could we! Tag along with Jessi and Squeaks to learn all about the world’s tallest tree!
Jessi and Squeaks just spent the day hiking and sketching evergreen trees in their field journals! A lot of evergreen trees look pretty similar, but Jessi knows some fun ways to tell them apart. Join us to find out how!
Have you ever wondered why, some nights, the moon looks like a big, bright circle, and some nights it looks like a little sliver? Join Jessi and Squeaks to learn about how the moon's orbit changes the way we see it here on Earth!
Have you noticed that the moon looks different over the course of the month? Follow along with this fun activity to help you remember the different phases of the moon!
We all know that brushing our teeth is important but now with this experiment you can actually SEE how brushing keeps your teeth clean!
Squeaks built Jessi a snowman! But, now Jessi and Squeaks need to save it from melting!
Join Jessi and Squeaks to see how you can make your very own alien egg!
What's something pandas, orangutans, rhinos, and gorillas have in common? They're all endangered animals. Join Jessi and Squeaks to learn how an animal becomes endangered and what we can do to help them!
A few weeks ago we started an experiment where we planted some seeds to see how they would grow! Today we get to check out our results!
Jessi and Squeaks just learned about terrariums, and now they want to make one for themselves! Join them to learn all about these tiny gardens in a bottle and how you can make one of your own!
Jessi and Squeaks love to build things, and they love to learn how to make the things they build even better! Join them today to learn how engineering can help make anything, from a tower of cups to a giant sky scraper, more stable!
We’re having a birthday party for one of the world’s most famous scientists, Charles Darwin!!!
It’s Valentine’s Day, and Jessi and Squeaks got Valentines from their awesome animal friends all over the world! Hang out with them as they read some silly Valentine poems and learn about the animals that sent them!
Squeaks has a Valentine's surprise for Jessi: a bouquet of flowers! Flowers are beautiful and they smell great, but did you know that flowers also do a very important job?
Bison are magnificent! Join Jessi and Squeaks and learn all about America's National Mammal.
Do you like using your imagination to build things that solve problems? If you do, you're thinking like an engineer! Learn how engineers identify and solve problems, then help Jessi with a big problem of her own!
Getting a cold or flu can be sort of scary. But sometimes the more you know about something, the less scary it is!
Everybody loves dinosaurs, and we wouldn't know nearly as much as we do if it weren't for a person named Mary Anning.
When we last left Jessi and Squeaks, Jessi had a big problem: her back was really itchy! Today we'll share our designs for back scratchers and build something to help her out!
There are some animals with special adaptations that help them blend in to the places they live! See for yourself how this works as you take on the role of a hungry bird looking for tasty bugs!
It's spring where Jessi and Squeaks live, and with the spring comes a really cool part of our planet's journey around the sun: the spring equinox!
Have you ever wondered how a tiny little seed grows into a plant? Well, there's a special kind of seed, one you've probably eaten before, that's big enough for you to open up and see how it works: a bean!
If you're anything like us, you're always investigating and asking questions about the world around you! Keeping a field journal is a great way to keep track of all the ideas and observations you have every day!
You're alive! And so are all the plants in your garden, the birds in the sky, and the fish in the ocean! But how do we know they're alive? What does it even mean to be alive in the first place!? Join Jessi and Squeaks to learn how scientists decide if something is living or non-living!
It's spring where Jessi and Squeaks lives, and that means the air is filled with the sounds of birds singing! But have you ever wondered why birds sing and who they're signing to?
Have you ever been on a ride on the playground that made you really dizzy, like a merry-go-round? Have you ever wondered where that weird, spinning sensation comes from? Jessi and Squeaks have the answer!
What has tough skin, a tiny tail, and a big horn on its nose? A rhino! Join Jessi and Squeaks and learn all about these super cool, super strong animals!
Jessi and Squeaks are having pancakes, but first they have to make a key ingredient: butter!
Join Jessi and Squeaks as they talk about some things you can do to make the earth a better place!
Snakes are super cool and super helpful, but people believe a lot of things about them that just aren't true. Join Jessi and Squeaks to learn what's true and what's false about these radical reptiles!
Jessi and Squeaks have some cool rocks. What do you think is inside them?
If you have a pet, you know how important it is to make sure that they have plenty of food and water... unless you own a fish! They need to be fed, of course, but do fish drink water?
Are you sneezing more as it gets nicer outside? Jessi and Squeaks talk about allergies, and explain what your body is going through!
The weather is warming up where Jessi lives, which means its time for some cool treats! Join Jessi and Squeaks and learn how to whip up some tasty vanilla ice cream!
Jessi and Squeaks look into an animal mystery: Why do zebras have stripes?
Squeaks loves collecting shiny pennies, but sometimes he finds one that's sort of grimy and dull. Lucky for him, Jessi knows a really cool science trick to clean up those tarnished pennies!
Believe it or not, the ground you’re walking on is always on the move! Join Jessi and Squeaks to learn how this movement can sometimes lead to earthquakes!
It's raining where Jessi and Squeaks live, so they decided to bust out some books and read up on a special kind of forest where it rains almost every day!
Jessi and Squeaks are busy working in their garden, and they'd like to share one trick that keeps their plants happy!
Jessi and Squeaks adopted a new fish! They have him all set up in a nice fish tank, but now they have a big question: how do fish breathe underwater?!
Jessi and Squeaks use the power of the sun to conduct a cool science experiment!
If you've ever had a little cut or scratch, you know it doesn't take long for it to heal! But do you know how different parts of your body work together to fix you up good as new when you're hurt?
Jessi and Squeaks are ready to play outside, but there’s a unique plant they should be sure to avoid: poison ivy!
Life in a desert can be tough, but the plants, animals, and people that live there have some special skills to help them survive!
What swims in rivers and the ocean and is an awesome parent? Jessi and Squeaks talk about the amazing life cycle of salmon.
Jessi stayed up too late, so she's feeling really tired. Luckily, she isn't too tired to tell you all about what happens when we sleep and why we feel so terrible when we don't get enough sleep!
Jessi and Squeaks look at some amazing creatures that they found in their garden: snails and slugs!
It's a big day for Jessi and Squeaks because they've finally finished their brand new observatory! Join them as they try out their new telescope and take a look back at a compilation of everything we've learned about space so far!
Did you know that there were over 200 types of cows? Join Jessi and Squeaks as they discuss some cool facts about these amazing animals.
Ouch! Getting a splinter can really hurt, and sometimes having a splinter pulled out can hurt even worse! Jessi's here to tell you why it's important to get your splinters removed, and some tips to make it easier!
Jessi and Squeaks are ready to go outside, but before they do, Jessi needs to make sure to put on sunscreen so that she doesn’t get a sunburn!
Jessi and Squeaks love watching clouds and birds fly way up in the sky! But why is the sky blue?
Waterfalls are pretty amazing, but have you ever wondered how they form? Jessi's got the answer! Join her to learn all about how rivers carve waterfalls and then take a look at Angel Falls, the tallest waterfall in the world!
Some parts of the world get way more extreme storms than Jessi and Squeaks are used to. They’re called hurricanes!
One of Jessi and Squeak's favorite things to do on a nice day is to go to the park and fly their homemade kites! Today, Jessi will show you how to build your own kite and tell you how a little wind can send it soaring through the air!
Jessi and Squeaks talk about some surprise visitors that came to check out their picnic: Ants!
Hiccups can be really annoying and hard to get rid of, but do you know why they happen? Find out the answer and learn more about how your lungs work at the same time on today's SciShow Kids!
Blowing bubbles can be really fun, but they're also a great way to learn some science!
Jessi and Squeaks are really excited about the total solar eclipse on August 21st, so they're revisiting all the amazing things they've learned about the sun, the moon, and how eclipses happen!
Have you ever looked up at night and seen a streak of light flash across the sky? Some people call that a "shooting star," but it's not actually a star at all! Join Jessi and Squeaks to learn what shooting stars really are and how they happen!
There's an Eclipse coming on August 21st, and Jessi and Squeaks are PUMPED! Today, they'll show you where in the world you'll be able to see the eclipse, what happens during an eclipse, and tell you how you can watch the eclipse safely!
Jessi and Squeaks show you how to make a pinhole viewer so you can safely watch the solar eclipse!
When people run around on a hot summer day, their sweat can help them cool off! But dogs can't sweat, and they have big, furry coats! So what can they do to stay cool?!
Dragonflies are totally awesome! Join Jessi and Squeaks as they learn about these really large and really cool insects!
Jessi and Squeaks love to race each other! They can both run pretty fast, but there's one animal they'd never be able to beat: the cheetah! Join us to learn all about this super speedy cat!
Have you ever put your finger in your ear and wondered what that waxy stuff is? Join Jessi and Squeaks as they talk about ear wax!
Have you ever put a seashell up to your ear and heard a roaring sound the sounds sort of like the ocean? Is it magic? No! It's science! Jessi and Squeaks explain what's up!
You may think oysters taste kind of gross, but did you know that some of them hide rare gemstones?
Do you know anyone with freckles? Maybe you have freckles yourself! Jessi has them, and she's been wondering what they are, where they come from, and why some people have them and some people don't!
Squeaks is worried because Jessi is crying, but it’s not because she is sad. She’s cutting onions!
Geysers are amazing natural formations that shoot magma-heated water from deep below the Earth's surface! What could possibly be cooler than that?!
Jessi brought one of her favorite toys to the fort, a magnet! Let's see what it can stick to!
Have you ever noticed that your fingers and toes are all wrinkly and funny looking after you spend a lot of time in the water? Well, Jessi wants to know why that happens! Join her to find out the answer!
Hair can be so many different colors, but why do so many adults have gray hair?
Animals use all kinds of tricks and adaptations to keep themselves safe from predators, but armadillos stand out for a really special reason: they have their own, built-in suit of armor!
Jessi and Squeaks are dancing to some sweet tunes! But why does music make people so excited in the first place?
Do you love to look at a big, beautiful full moon in the night sky? So do Jessi and Squeaks! But how did the moon get up there? And what is it made of?
Jessi and Squeaks love looking for insects, but they’ve never seen anything like these before!
Squeaks has a doctor's appointment coming up and he's a little nervous, so Jessi asked her friend Dr. Arron Carroll to come over and talk about what happens when you visit the doctor!
Jessi and Squeaks want to learn more about the inside of a pumpkin. How? By dissecting it!
It's Halloween night and Jessi and Squeaks just got home with loads of candy! Before they dive in, though, they want to learn a little more about how one of their favorite types of candy is made!
What has eight arms, three hearts, and and lives in the ocean? An octopus! Join Jessi and Squeaks as they take a dive into the amazing world of the super weird, super smart octopus!
Jessi and Squeaks discover some amazing ocean creatures, ones that glow by themselves!
You might know that spicy food can make your mouth feel like it's on fire, but how does it do that?
There's a chill in the air where Jessi and Squeaks live, and that means it's time for some animals to start the long, yearly nap called hibernation! Learn why animals hibernate and how they get ready to sleep for months at a time!
Jessi is about to go to the doctor's to get a vaccine and she's sort of nervous. But she knows that vaccines are really important, so she learned all about how they help us stay healthy! Now she wants to share what she learned with you!
Jessi and Squeaks learn some amazing turkey facts, from the sounds they make to what their poop looks like!
A meteor shower happens when rocks from space burn up in the atmosphere and make a beautiful light show! Lately, though, Squeaks has been wondering what would happen if one of those space rocks made it through the atmosphere to the Earth's surface.
Have you ever been so cold that your body shakes really fast? That’s called shivering, and Jessi and Squeaks are going to explain what causes it!
Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you enjoy those cookies!
Most waves are very small, but every once in a while, they can be really extreme!
It snowed last night where Jessi and Squeaks live, so this morning they tried to go sledding, but they didn't end up going fast or very far. Can you help them figure out what they can do to get their sled zipping down the hill?
Deep in the Pacific Ocean, near China, is the Mariana Trench, the deepest part of the ocean! Join Jessi and Squeaks and learn all about the super-cool, super-tough creatures that make their home there!
Humans have never visited another planet, but we can send special spacecraft called probes to visit them for us! One of those probes, called Voyager 1, has gone deeper into space than any other, and it's sent us some amazing pictures along the way!
Jessi is getting a haircut later, but what makes it so that your hair doesn't hurt when you go to get it cut?
Winter means snow, and snow means lots of fun! Jessi and Squeaks love building snowmen and snow forts, but there's one really cool thing made of snow that they can't build themselves: icicles! Join them to learn how these natural winter decorations form!
Living things change and evolve to survive in the places they live. There are some animals, though, that end up in habitats where they don't belong, and that can cause big trouble for the native species!
Jessi and Squeaks were supposed to go sledding today, but it's really cold outside! That won't stop them from having fun, though! Join them as they look back on some great experiments to do on a freezing cold day!
Ever wish you had your own secret network of hidden passages? Well some animals do and they might be closer than you think!
Squeaks is feeling a little under the weather! As if a sore throat and a stuffy head weren't bad enough, he also has an earache. Join him to learn why we get earaches and what we can do to help our bodies get over them faster!
It's freezing outside and cold weather makes Jessi think of glaciers!
Today is a big day! Jessi and Squeaks are going to make slime, and they're going to show you how to make it, too! Plus, they'll tell you all about the gooey science that makes slime so weird and fun!
Squeaks broke his watch! Luckily Jessi knows of a handy way to tell time, with a sundial!
You might not know it, but there are thousands of human-made satellites orbiting the Earth! They help us do everything from study the climate to make phone calls, and there are even some satellites that people can live on!
Jessi got so cold outside that she got goosebumps! Join her and Squeaks as they learn what causes your body to make these bumps in the first place.
Squeaks got hurt playing outside and had to get stitches! Jessi explains what happens at the doctor's office and how stitches help us heal!
If you traced your family tree back far enough, you'd see that you're related to all 7 billion people on Earth! And if you trace it back even farther than that you'll find our ancient human cousins, the Neanderthals!
Velcro is pretty cool, but what would you think if the idea for it came from living things? Jessi and Squeaks talk about the origin of velcro!
Have you ever been sitting down for a long time and had your legs fall asleep? It feels really weird and can make it hard to walk for a little while! So what makes your legs fall asleep, and why does it feel all prickly when they start to wake up?
Jessi and Squeaks love getting interesting science questions from their friends! Join them as they check their email and answer questions from kids like you!
Have you ever taken a bite from a bright red apple and wondered why it looks red to you? Jessi and Squeaks talk about how our eyes and brains help us see color!
Jessi and Squeaks love pretending to be space explorers, visiting far-away planets! Did you know that, right now, there are scientists working on ways to send people to other planets in real life? And where better to start than our closest neighbor, Mars?!
From pancakes to ice cream, salt goes in so many things to make them taste better! But what is it and where does it come from?
Have you ever turned on a faucet in your sink or shower and wondered where that water comes from? Jessi and Squeaks explore how we get water to our homes!
Usually when it's snowing outside, it's really calm, pretty, and fun to play in! But there are certain types of big snowstorms, called blizzards, that can get really windy, wild, and even dangerous!
Squirrels eat a lot of things that are pretty tricky to find in the winter, like nuts and berries. Luckily for them, they have lots of clever ways to store up food to last them through the cold parts of the year!
Jessi had the weirdest dream last night and wants to share with you why our brains make dreams.
Jessi and Squeaks just did a really cool and easy experiment: they put a special kind of soap in the microwave and made it grow! Now they want to do it again to check their results and figure out how it happened!
Squeaks and Jessi made a new friend, Cassie the puppy! They gave her a bath after playing in the mud, but now she smells even worse than before! Why do wet dogs smell so bad?!
Has your doctor ever asked you to stick out your tongue and say "ah"? They're probably checking out your tonsils! But what are your tonsils, and what do they do?
If you're ticklish, you know that you can't stop from laughing and wiggling around when you get tickled! But why does your body react this way, and why can't you stop it? Jessi's here to fill you in!
Potatoes are amazing! You can make them into french fries, baked potatoes, hash browns, potato chips, and tons of other tasty foods! And best of all, they're super easy to grow! Join Jessi and Squeaks to learn how!
Earth is a huge planet full of incredible sights and amazing creatures! But have you ever wondered where the Earth came from in the first place? Well, by looking at other stars and planets, scientists think they have a pretty good idea!
Jane Goodall is an amazing scientist and conservationist who has dedicated her life to learning about and protecting chimpanzees! Thanks to her, we've learned that, sometimes, people and animals aren't so different! Learn more about her and her work with Jessi and Squeaks!
Road trips can be fun, but have you ever gotten sick from riding in a car? That's called motion sickness, and it turns out that it's a really common problem!
When you think about it, your eyebrows are a little strange! But they're also really important! From protecting your eyes to helping others know how you feel, those little bits of hair in the middle of your face have some big jobs!
The ocean is full of some amazing creatures, but one that remains a bit of a mystery is the Narwhal, which looks like an underwater unicorn.
It's been raining for a few days where Jessi and Squeaks live, and the news even said that there may be a flood! Join Jessi to find out what a flood is, how they form, and how you can stay safe if there's a flood where you live!
Woodpeckers search for food by using their face to dig through tree bark! But why doesn't this give them a headache?
Jessi and Squeaks learn about plants with defensive weapons!
There's so much water in the ocean, but why can't we drink it? Jessi and Squeaks talk about the difference between ocean water and the water you drink at home.
It's finally spring where Jessi and Squeaks live! Join them as they take a look back at some of their favorite springtime subjects like why it rains, how plants grow, and all the amazing bugs you can find in the spring!
Did you know you have useful tools right at your fingertips? That's right: your fingernails! Jessi and Squeaks learn why fingernails are so important!
Recycling trash is one really important way that we can help the Earth stay clean! It's much better to recycle things than throw them away, but it's super important to recycle plastic! Jessi is here to tell you why!