These free online and offline STEM projects and activities are entertaining and educational for the whole family.

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barfing pumpkin

Video

grades 3–5

Barfing Pumpkin

Watch this quick video that shows how a basic chemical change can make a pumpkin barf...a lot. Yuck!

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pool testing

Activity

grades 5–8

Pool Testing Puzzler

Exercise your brain and learn a bit about one type of COVID-19 testing with this math challenge problem.

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an astronaut in space

Article/Ebook

grade 3

What Is a Spacewalk?

Learn what a spacewalk is, why astronauts do them, and how they stay safe.

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learn by doing

Website/App

grades K–5

Learn by Doing

Explore the educational challenges other kids are doing, and try some yourself. Make and upload videos only with permission!

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Website/App

Preschool–grade 12

National Geographic Education

Find high-quality, standards-based resources relating to science, geography, world history, engineering, cartography, current events, and more.

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lava

Interactive

grades 1–12

National Parks

Explore some of the most beautiful places in the USA, guided by National Park Rangers.

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diagram indicating which parts of the brain control the body

Interactive

grades 3–12

How Does the Brain Work?

Play around with these brain-boosting interactives to find out fascinating facts about different parts and jobs of the human brain.

Video

grades K–8

Experience Polar Bears on the Tundra

Travel to the Canadian tundra to see some migrating polar bears and hear from the scientists who study them.

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elephants in a museum

Interactive

Preschool–grade 12

Field Museum

Take a virtual trip to Chicago to visit the Field Museum, and explore their animal exhibits using Street View.

Video

grades 3–5

Breakfast Club: The Poisonous Birds of New Guinea (and Other Ongoing Work)

Learn about the poisonous birds of New Guinea with Cal Academy's Dr. Jack Dumbacher, curator and chair of ornithology and mammalogy.

Video

grades K–5

Plants vs. Frost

Learn about frost and how it affects plants by checking out a few plants after they've been exposed to freezing temperatures.

offline general outside wellbeing illustration

Activity

grades K–5

Tree ID

Try to identify as many trees as you can around your neighborhood. What is unique about the bark or leaves? Which type of tree is your favorite?

Wide Open School's logo
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pool testing

Activity

grades 5–8

Pool Testing Puzzler

Exercise your brain and learn a bit about one type of COVID-19 testing with this math challenge problem.

offline general outside wellbeing illustration

Activity

grades K–5

Tree ID

Try to identify as many trees as you can around your neighborhood. What is unique about the bark or leaves? Which type of tree is your favorite?

Wide Open School's logo
offline general outside wellbeing illustration

Activity

grades K–5

Flower Safari

Walk around your neighborhood and see how many different types of flowers you can find. Draw them or take a picture of each and try to identify them when you get home.

Wide Open School's logo
Offline illustration question or puzzle

Activity

grades K–6

Think Like a Computer

Create a set of picture cards that show every step of a task, similar to how a computer works. For example, what steps do you take to brush your teeth?

Wide Open School's logo
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a foil boat with pennies inside

Activity

grades 1–4

Foil Penny Boats

Design and build boats that hold as many pennies as possible without sinking. All you need is aluminum foil and pennies!

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cutouts to make a paper computer

Activity

grades K–3

Build a Paper Computer

Learn about the different parts of a computer with a fun maze activity and a cut-and-paste craft where you put all the computer parts together.

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kid holding a tube

Activity

grades 3–6

Marshmallow Blaster

Design a tube that launches marshmallows, and consider how air pressure works to propel them higher, faster, and farther.

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items used for a science experiment

Activity

grades 3–6

Cloud in a Bottle

Don your wizard's cloak and conjure a cloud with some basic household items. Make sure to work with an adult on this one.

Activity

Preschool–grade 3

Photosynthesis in Action

Reveal the secrets of photosynthesis by doing this simple experiment using some leaves and a bowl of water.

Activity

Preschool–grade 3

Exploding Baggies Experiment

Try out this exciting outdoor activity. Ponder how and why it happens, using skills like observation and deduction.

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person doing arts and crafts

Activity

grades 3–8

How to Make a Pinhole Camera

Sunny out? Using card stock and foil, build a way to project images—like the sun on a piece of paper.

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paper-made rocket

Activity

grades K–3

Rocket Release

Create a paper rocket, then grab a straw and launch it! Record the distance traveled and modify your design. How far can it go?

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an astronaut in space

Article/Ebook

grade 3

What Is a Spacewalk?

Learn what a spacewalk is, why astronauts do them, and how they stay safe.

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a woman with two dogs

Article/Ebook

grades 5–6

Speak, Fido

Read this article about new, high-tech vests being developed to help service dogs communicate with people. Then consider some other potential uses for this technology.

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penguins

Article/Ebook

grades 5–6

Penguin Census

Discover how scientists are counting chinstrap penguins in Antarctica. It's part of a global penguin census that will help researchers better understand the Antarctic environment.

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picture of astronaut andrew morgan

Article/Ebook

grades 5–6

Astronaut Andrew Morgan Answers Kids' Questions

Find out from an astronaut what it's like to take a 272-day trip to the International Space Station and then come home to a pandemic.

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Article/Ebook

grades K–3

Penguins vs. Puffins

Read all about penguins and puffins, then vote for your favorite!

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Article/Ebook

grades 3–5

Animals

Explore types of animals and choose three to learn about. Write down some facts about each to share with your family.

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Article/Ebook

grades K–3

Kids vs. Plastic

Take the Kids vs. Plastic pledge to get your Planet Protector certificate and find out what you can do to fight trash.

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Equipment for Science Classroom

Article/Ebook

Preschool–grade 5

10 Best Science Tools for Elementary School

Lay the foundation for lifelong curiosity about how the world works and why.

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radiolab for kids podcast

Audio

grades 1–6

Radiolab for Kids

Get your mind swirling with these fascinating podcast episodes that ask wacky questions and find fascinating answers.

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but why podcast

Audio

grades 3–8

But Why?

Listen to this kid-friendly podcast to find out whether llamas are ticklish, why baby teeth fall out, and so much more.

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Two Whats?! and a Wow!

Audio

grades K–5

A Science Game Show—for Your Ears!

Tune into this quirky, daily podcast for curious minds. Complete the cool STEAM challenges to apply what you listened to.

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Audio

grades 3–5

Wow in the World Podcast Activities

Listen to any episode of the Wow in the World podcast, and turn it into a STEAM learning adventure with this free printable!

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Audio

grades 1–4

Answering Kids' Questions About Coronavirus

Check out this podcast where kids' practical questions about the coronavirus get answered by real scientists.

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Audio

grades K–5

Science Podcasts for Kids

Choose a podcast from Brains On! featuring science for kids and curious adults. There's no need to download anything—you can listen online!

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Audio

grades 3–6

Astrophysics for Young People in a Hurry

Gather the whole family to hear LeVar Burton narrate Neil deGrasse Tyson's educational and entertaining read about the universe.

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lava

Interactive

grades 1–12

National Parks

Explore some of the most beautiful places in the USA, guided by National Park Rangers.

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diagram indicating which parts of the brain control the body

Interactive

grades 3–12

How Does the Brain Work?

Play around with these brain-boosting interactives to find out fascinating facts about different parts and jobs of the human brain.

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elephants in a museum

Interactive

Preschool–grade 12

Field Museum

Take a virtual trip to Chicago to visit the Field Museum, and explore their animal exhibits using Street View.

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the Sơn Đoòng cave

Interactive

grades 3–8

Explore the World's Largest Cave

Journey to Vietnam's Phong Nha-Kẻ Bàng National Park and the stunning Sơn Đoòng cave, the world's largest natural cave.

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jungle rangers

Interactive

grades 1–3

Find the Rainforest Animals

Follow Plum's directions and snap photos of the rainforest animals to learn more about them.

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Animated picture of a garbage truck

Interactive

grades 3–8

Personal Planning for the Planet

Find out how you can save the planet's resources for future generations by conserving energy, food, and water and by making your purchases last longer.

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Google Earth satellite view of an island

Interactive

grades 1–8

The Alphabet on Earth

Take a trip around the globe and notice that the Earth actually knows its ABC's! Explore different areas that look like letters from outer space.

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Interactive

grades K–3

Recycle Roundup

Practice recycling by sorting items into the correct bins.

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Interactive

grades 2–6

Mysterious Microbes

Search for six microbes in this online coloring activity. Pick a different color to represent each virus. Are you able to identify the missing one?

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Interactive

grades 3–8

Who Made That Sound?

Listen to the different sounds animals make and guess which one it is. Then take a virtual trip to see where it lives.

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a child using a laptop

Interactive

grades 3–12

PhET Interactive Simulations

Illustrate difficult-to-understand concepts with this huge collection of excellent (and free!) science and math simulations.

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Sea otter game tokens

Interactive

grades 2–5

Sea Otters and Ecosystems

Play this tossing game to learn about sea otters, urchins, kelp, and the ecosystem they share.

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a caterpillar

Lesson

grade 3

Plant Adaptations

Compare and contrast two separate informational texts about plants with unique adaptations for survival.

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greasy bag

Lesson

grades K–5

Fatty Foods

Determine which foods are the fattiest in this hands-on experiment. Grab a brown paper bag and some of your favorite snacks to find out!

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animated animals dancing

Lesson

Preschool–grade 12

Hour of Code

Try these engaging, one-hour introductory computer science tutorials, appropriate for all ages. There are hundreds of activities and tutorials in over 45 languages.

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the ocean

Lesson

grades 3–5

How Deep is the Ocean?

Tour the depths of the ocean to find out how scientists explore regions that are hard to reach and discover the creatures that exist beneath.

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sample image of coding

Lesson

grades 3–12

Quick Coding Course

Learn the fundamentals of computer science with drag-and-drop blocks. Create your own drawings and games.

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cup of slime

Lesson

grades 3–8

Marvelous Mucus

Discover how mucus is actually beneficial to our health. Watch the videos to learn more, and grab some Jell-O to conduct an experiment at home.

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cat being petted

Lesson

grades 3–5

The Purr-fect Pet

Discover why cats purr. Is that sound a lawn mower or your cat? Play the bonus to learn more amazing facts about these furry felines.

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Lesson

grades 3–5

Mosquito Madness

Design solutions to save a town from an invasion of mosquitos. What could have brought them there? Use the problem solver's sheet to find out!

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Lesson

grades 3–5

Why Do the Stars Change with the Seasons?

Make a paper model of the solar system that helps you visualize Earth’s yearly orbit around the Sun.

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Lesson

grades K–5

Sending Secret Messages

Find out how to communicate over a distance in this hands on activity. Grab some markers and a flashlight and get your secret message out.

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lava

Lesson

grades 3–5

Can You Make Lava?

Watch the video to discover the answer and learn a little about lava along the way.

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Lesson

grades 3–5

Think Fast

Test your reflex skills with these fast but fun experiments. Discover how long it will take your body to get the message from your brain.

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barfing pumpkin

Video

grades 3–5

Barfing Pumpkin

Watch this quick video that shows how a basic chemical change can make a pumpkin barf...a lot. Yuck!

Video

grades K–8

Experience Polar Bears on the Tundra

Travel to the Canadian tundra to see some migrating polar bears and hear from the scientists who study them.

Video

grades 3–5

Breakfast Club: The Poisonous Birds of New Guinea (and Other Ongoing Work)

Learn about the poisonous birds of New Guinea with Cal Academy's Dr. Jack Dumbacher, curator and chair of ornithology and mammalogy.

Video

grades K–5

Plants vs. Frost

Learn about frost and how it affects plants by checking out a few plants after they've been exposed to freezing temperatures.

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interactive science center

Video

grades 4–6

Travel to the Tech Interactive Science Center

Head off to the Tech Interactive center in San Jose, California. Visit science labs and hear from professionals working at the cutting edge of STEM.

Video

grades K–3

Baby Snakes

Have you ever seen a baby snake hatch? Watch these baby hognose snakes emerge from their eggs and start to explore the world.

Video

grades 3–9

Discovering You: Shaesta Waiz

By engineering fuel tanks to fly further, Shaesta became the youngest woman to fly solo around the world in a single-engine airplane.

Video

grades K–5

Dutch Hollow Farm – Virtual Tour

Tour a working dairy farm in New York state and learn how milk is produced.

Video

grades K–3

Home Garden Tour

Join Ms. Alejandra on a tour of her home's garden in Los Angeles. How does her garden compare with others you've seen?

Video

grades 1–12

Inside a Space Shuttle

Tour the Space Shuttle Discovery with astronauts who used it to launch the Hubble Space Telescope.

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woman floating in space shuttle

Video

grades K–12

Tour the International Space Station

Join astronaut Suni Williams on a guided tour of daily life inside the International Space Station.

Video

grades 3–8

Community Farms

Learn about Melvin Parson's community-based farming project, which he sees as a path to healthier communities and better futures, especially for formerly incarcerated people.

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learn by doing

Website/App

grades K–5

Learn by Doing

Explore the educational challenges other kids are doing, and try some yourself. Make and upload videos only with permission!

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Website/App

Preschool–grade 12

National Geographic Education

Find high-quality, standards-based resources relating to science, geography, world history, engineering, cartography, current events, and more.

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Boy working on problem - Knowledge on the Go

Website/App

Preschool–grade 12

Great Minds: Knowledge on the Go

Build knowledge with these high-quality, daily instructional video lessons for ELA (grades K–8), math (grades K–12), and science (grades 3–5).

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Learn Computer Science at Home

Website/App

Preschool–grade 12

Code.org

Learn computer science from home with lessons for all grades and abilities, from pre-readers to AP-level programming students.

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a man hiking

Website/App

grades 1–12

CK-12 (For Students)

Choose a subject and specific topic to practice or learn some math, science, or social studies.

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Shark and National Geographic logo

Website/App

grades K–5

National Geographic Kids

Explore all of these fun resources to learn more about the natural world.

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illustration of people in a classroom lab

Website/App

grades 4–10

Frontiers for Young Minds

Read and discuss articles on cutting-edge science discoveries written by scientists and reviewed by kids and teens.

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Website/App

grades 3–12

Environment Channel

Take a deeper look at the natural systems that sustain life on earth and find new ways to participate as good players in the system.

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Website/App

grades 1–4

Plum Landing Games

Play! Explore! Create! And discover the wonders of our amazing planet with your friends from Plum Landing.

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illustration of a plant's needs

Worksheet

grades 1–3

What Do Plants Need?

Learn what plants need and design a journal to keep your drawings and other important information you've learned.