LearningJoy Explorers: Science Podcast for Kids
By Harika and Shrivathsa, LearningJoy
Categories: Kids & Family, Education for Kids, Science
Big science questions, explained by kids, for kids! Harika and Shrivathsa from the Bay Area turn real questions like "What is my body made of?" and "Why is there no air in space?" into fun 4–6 minute episodes with sound effects and a Mini Mission to try at home. For grades 3–6. Every episode has a free read-along story, activity sheet and quiz at learningjoy.net/explorers, with NGSS and Common Core tags for teachers. No ads, no sign-up. Keep exploring and keep asking "Why?"!
48 episodes indexed on PodSearch.
Recent episodes
- Push, Pull and Hold On! What Is a Force?
If you push as hard as you can on a brick wall and nothing moves, did you use a force? Join us as we push walls, kick footballs, turn our hands into force meters with an apple and a bag of rice, and find out why cranes and bridges never get tired arms!Read along, try the hands-on challenge and…
- The Sunlight Relay: How Does Energy Flow Through Life and Machines?
What do a bowl of rice, a lump of coal, and a spinning wind turbine all have in common? Join us as we trace the energy in our lunch all the way back to the Sun, dig up the secret of fossil fuels, and crank a generator to see how clean power works!Read along, try the hands-on challenge and take the…
- Ready, Set, Zoom! Stored Energy and Energy in Action
Why does a let-go balloon zoom wildly across the room, and why won't a swinging sock ever bonk your chin? Join us as we launch a balloon, swing a sock on a string, and find out why storing energy is like filling a leaky water bottle!Read along, try the hands-on challenge and take the quiz on…
- Tug-of-War, Magnets and Dams: How Do Forces Work With Energy?
Why does a tug-of-war rope freeze when both teams pull with all their might, and why can't a magnet or a falling weight give us free energy forever? Join us as we race a cart, steer a three-string ring, and find out who gives raindrops a ride back up the mountain!Read along, try the hands-on…
- Pluck, Hum and Buzz: What Makes Sound?
Why does a plucked rubber band look blurry, and how does a guitar play both high and low notes? Join us as we build a rubber-band instrument, discover why a fading bell never changes its note, and feel the hidden strings inside our own throats!Read along, try the hands-on challenge and take the…
- Bumping Marbles and Tiny Drums: How Does Sound Reach Your Ears?
When you pluck a guitar string across the room, the string stays over there—so how does the sound get inside your ear? Join us as we crash a line of marbles, listen through a wooden table, and find out how to protect the tiny drum inside your ear!Read along, try the hands-on challenge and take the…
- Whistles, Thunder and Secret Codes: The Wild World of Sound
If a whistle has no strings, what is vibrating inside it? And why do you always see lightning before you hear thunder? Join us as we blow across water bottles, count seconds in a storm, bounce an echo off a wall, and send a secret code!Read along, try the hands-on challenge and take the quiz on…
- What Makes Things Go? The Four Kinds of Energy
Why does a battery go dead, and how does a freezer turn water into ice? Join us as we play the Energy Card Game, find out why a wall switch is like a water tap, and discover the four kinds of energy that make everything in the world go!Read along, try the hands-on challenge and take the quiz on…
- Waves, Shadows and Hot Spoons: How Does Energy Travel?
Why does a metal spoon get hot in a bowl of soup, and why can't a cup of tea heat itself up from the room air? Join us as we make ripples in water, find out why a rolling ball stops, and see why energy always rolls downhill!Read along, try the hands-on challenge and take the quiz on LearningJoy…
- Energy in Disguise: How Does Energy Change Form?
Plain electricity in a wire can only give you a shock—so how does it toast your bread, spin a fan, and light up your room? Join us as we catch energy changing disguises, and knock down a tower of wooden blocks to solve the mystery of the disappearing candle!Read along, try the hands-on challenge…
- Does the Sun Really Move? The Secret of Day and Night
Every morning the Sun seems to climb up the sky, and every evening it sinks down. Join us as we stick a grain of rice to a globe with toothpaste, find out why cousins in different places wake up at different hours, and spin under the ceiling to solve the mystery of the North Star!Read along, try…
- Oops, Gravity! Why Does Everything Fall Down?
If gravity pulls everything down, why don't people in Australia fall off the Earth? Join us as we drop a spoon, ride a seesaw, sink some cooking oil, and find out which way is really down!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Straight Up and Perfectly Flat: How Gravity Helps Us Build
How do builders make walls perfectly straight and floors perfectly flat? Join us as we turn a key and a string into a gravity tool, race a marble across the table, and find out why still water is never lopsided!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Why Doesn't Earth Crash Into the Sun? Gravity in Space
The Sun's gravity pulls on Earth all the time, so why don't we crash into it? Join us as we take a giant Moon jump, swing a sock on a string, and find out what keeps Earth, the Moon and satellites going round and round!Read along, try the hands-on challenge and take the quiz on LearningJoy, all…
- Why Do Frogs Lay So Many Eggs? Babies, Balance and Habitats
An orca has one baby, but a frog lays hundreds of eggs. Why? Join us as we blow a fluffy seed head, find out why rice and bread never run out, and meet the pandas, rhinos and runaway toads that show how habitats decide who survives!Read along, try the hands-on challenge and take the quiz on…
- Round and Round: What Is a Life Cycle?
Can a pebble have baby pebbles? Join us as we welcome four new kittens, flip through a family photo album, and find out what keeps every kind of living thing going round and round!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Packed-Up Sunshine: Where Does Your Energy Come From?
A tiger only eats meat, so how can its energy come from the Sun? Join us as we follow lunch back to the sky, feel energy turn into heat, and find out why a solar hat can't replace your dinner!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Mouths vs. Leaves: What Makes an Animal or a Plant?
An earthworm has no legs and no eyes, so how do we know it's an animal? Join us as we find the one part every animal has, the one part almost every plant has, and why a mushroom gets a team of its own!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Flower Power: How a Flower Makes Seeds
Can a dog and a cat have a dog-cat baby? Join us as we take a flower apart, follow a bee on its pollen deliveries, find out why a mango is really part of a flower, and see why no two puppies are exactly alike!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Fuel and Spare Parts: What Does Food Do Inside You?
Candy has lots of energy, so why can't you eat only candy? Join us as we fix a motorbike, sort a dinner plate into fuel and spare parts, and ride along with a robot looking for water on Mars!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Eggs, Tadpoles and Butterflies: Amazing Ways to Grow Up
Why does a tadpole lose its tail? Join us as we peek inside a bird's egg lunchbox, watch a fish-like tadpole turn into a frog, and find out what happens inside a caterpillar's hard case!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Do Plants Eat Dirt? The Mystery of the Plant Food Bag
The garden shop sells bags of "plant food," so do plants eat dirt? Join us as we search for the missing hole under a giant tree, turn a leaf into a kitchen blender, and find out what earthworms really eat!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- The Three Mystery Boxes: Is It Living, Earth, or Human-Made?
Can you sort the whole world into just three boxes? Join us as we find the two Earth treasures almost everyone forgets, discover the one food that is really a rock, and trace a plastic cup all the way back to ancient living things!Read along, try the hands-on challenge and take the quiz on…
- Real or Fake? The Secret Clues of Living Things
How do your eyes know a dry leaf was once alive? Join us as we learn the secret clues of living things, catch a fake flower, and meet an inventor whose dog came home covered in prickly seeds!Read along, try the hands-on challenge and take the quiz on LearningJoy, all free!
- Super Trees to the Rescue: How Do Trees Build Wood Out of Thin Air?
Where does a giant tree get all its weight if it doesn't eat the dirt? Join us as we unplug Shrivathsa's sky vacuum, meet the scientist who weighed a tree's soil for five years, discover how leaves build solid wood out of thin air, and learn the three rules of smart tree planting!Read along, try…
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