Experiment with science projects. Explore nature and space. These free STEM projects are engaging and educational for the whole family.
Video
grades 6–12
What Makes Muscles Grow?
With over 600 muscles in our bodies, we must learn how to give them attention and stay active to maintain a healthy and balanced lifestyle.

Video
grades 4–6
Who Hibernates?
Watch the video, and then write down or tell someone three things you learned. What are you still curious about? How can you learn more?
Video
grades 6–12
What's Inside a Rubik's Cube?
Ever wonder how a Rubik's Cube works and functions? Take a look inside this tricky puzzle and see if you think you can solve it!

Article/Ebook
grades 3–6
Seaweed Solution
Can kelp farming help slow climate change? Learn about the pros and cons of producing this underwater resource.

Interactive
grades 6–12
Investigating Coral Bleaching
Use actual data to better understand how rising sea temperatures are affecting coral reefs, some of the most diverse and important ecosystems on Earth.

Worksheet
grades 6–12
Blood-Sucking Bats!
Use this downloadable worksheet to suck some math practice out of these fun facts about vampire bats.
Video
grades 6–12
The Benefits of a Bilingual Brain
¿Tú hablas español? Learn how knowing more than one language changes how your brain works.
Video
grades 6–12
Polynesian Navigators
For thousands of years, Polynesian navigators managed voyages without the help of modern navigational aids. How did they do it?

Article/Ebook
grades 6–12
Message in a Bottle
Read an article and watch a video about the impact of plastic bottles on the environment. Then explore some of the possible solutions.

Interactive
grades 6–8
Deep Data
Work through this activity that will get you exploring, analyzing, and drawing conclusions based on the data of rising sea levels.

Video
grades 6–8
Types of Rocks
Get the hard facts on the three types of rocks: igneous, sedimentary, and metamorphic.

Article/Ebook
grades 6–12
Microbeads: Huge Problem
Find out how people worked together to ban the use of a dangerous ingredient in cosmetics. Are there movements you want to help?
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?

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.

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
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.

Activity
grades 5–12
Space Origami
Fold a piece of paper to find out how rockets can carry a starshade as big as a baseball diamond to take pictures in space.

Activity
grades 6–10
Moving on Mars
Develop a game to make a rover move on Mars. Download a free Scratch account to start, then add code for targets, hazards, and more!

Activity
grades 3–8
Flying into Thin Air
Design a paper helicopter that can fly on Mars without the lift provided by our atmosphere. Test different blade sizes. Which size flies best?

Activity
grades 3–8
Phases of the Moon
Keep a monthlong journal of the phases of the moon. Observe the moon and draw its shape. Can you predict what will happen next?

Activity
grades 3–6
Living Room Spacecraft Landing
Find out just how hard it is to land a spacecraft in this project. Make sure to design, build, test, and redesign.

Activity
grades 3–8
Picture-Perfect Pieces
Use cardboard tubes to create a light-minimizing viewer. What do you see when standing still? How does it change when you're moving side to side?

Activity
grades 3–8
Size and Scale
Create a list of objects, smallest to largest, most of which our eyes can't see. Why can we see an ant but not an antibody?

Activity
grades 3–9
Helpful Invention
Dream up an invention you think could help make people's lives better. Design it, then build it. Check out the two examples for inspiration.

Article/Ebook
grades 3–6
Seaweed Solution
Can kelp farming help slow climate change? Learn about the pros and cons of producing this underwater resource.

Article/Ebook
grades 6–12
Message in a Bottle
Read an article and watch a video about the impact of plastic bottles on the environment. Then explore some of the possible solutions.

Article/Ebook
grades 6–12
Microbeads: Huge Problem
Find out how people worked together to ban the use of a dangerous ingredient in cosmetics. Are there movements you want to help?

Article/Ebook
grades 6–12
Digging for Dinosaurs
Travel to Antarctica with a team of paleontologists and find out first-hand how dinosaur bones are found.

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.

Article/Ebook
grades 6–12
Small (but Mighty) Tech
View this photo essay about some teeny high-tech innovations designed to perform highly specialized tasks. What other applications for micro-size tech can you dream up?

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.

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.

Article/Ebook
grades 6–8
10 Best Science Tools for Middle School
Find a new tool to let student scientists play with simulations, engage in citizen science research, and gather and analyze data from around the world.

Article/Ebook
grades 6–12
9 Top YouTube Channels for Classroom Lessons
Find great videos to bring the world and all of its wonder to your students.

Audio
grades 1–6
Radiolab for Kids
Get your mind swirling with these fascinating podcast episodes that ask wacky questions and find fascinating answers.

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.

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.

Interactive
grades 6–12
Investigating Coral Bleaching
Use actual data to better understand how rising sea temperatures are affecting coral reefs, some of the most diverse and important ecosystems on Earth.

Interactive
grades 6–8
Deep Data
Work through this activity that will get you exploring, analyzing, and drawing conclusions based on the data of rising sea levels.

Interactive
grades 1–12
National Parks
Explore some of the most beautiful places in the USA, guided by National Park Rangers.

Interactive
grades 6–8
Analyzing El Niño
Work through this interactive lesson that'll help you understand how scientists use data to better understand El Niño events and how they affect weather.

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.

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.

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.

Interactive
grades 8–12
Solve the Outbreak
This engaging game can help older kids learn the methods epidemiologists use to determine the source of a disease and how to stop it from spreading.

Interactive
grades 6–12
Evolution Lab
Explore the roots and branches of the tree of life in this interactive lab focused on phylogenetics, the study of evolutionary relationships between species.

Interactive
grades 8–12
What's Going On in This Graph?
Check back each week to dig into a new fascinating graph connected to current events. What do you notice about it? What do you wonder?

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.

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.

Lesson
grades 8–12
Table Trends
Explore the periodic table in this short course. Can you explain how the elements are classified or describe the properties of each group?

Lesson
grades 7–8
Daily SEL, STEM, and PE Lessons (Grades 7-8)
Work through 20-minute, teacher-led lessons featuring videos, activities, and extensions. The intriguing topics range from eco-friendly design to the importance of water to our bodies.

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.

Lesson
grades 3–12
Quick Coding Course
Learn the fundamentals of computer science with drag-and-drop blocks. Create your own drawings and games.

Lesson
grades 6–8
A Symbiosis Dance
Model interactions between different species in an ecosystem while practicing your dance moves. Can you do the bee waggle? How about the bear scratch?

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.

Lesson
grades 6–12
Design a Distortion Pedal
Discover the history of the distortion pedal, a little box that changed rock music. Then learn about what distortion is and design your own pedal.

Lesson
grade 8
Poisonous Takeover
Explore how natural selection helped a population of newts become so poisonous. Click on the first video to start, then continue with the lessons after.

Lesson
grades 6–8
Sustainable Solutions
Design efficient bus routes, and compare the environmental impacts of fuel types. Download the student activity guide and watch the video to start your calculations.

Lesson
grades 6–8
Earthquake-Proof Engineering
Explore engineering techniques with this hands-on learning activity. Collect and compare movement data with your cellphone to create designs that prevent earthquake damage.

Lesson
grades 6–8
Baseball Physics
Discover what Newton's laws of motion and baseball have in common. Watch, practice, and discuss how watching sports is a science in this learning module.

Lesson
grades 8–12
Dig Deeper Into Science News
Use this video and discussion guide to understand how headlines shape the way we interpret science–and health–related news.
Video
grades 6–12
What Makes Muscles Grow?
With over 600 muscles in our bodies, we must learn how to give them attention and stay active to maintain a healthy and balanced lifestyle.

Video
grades 4–6
Who Hibernates?
Watch the video, and then write down or tell someone three things you learned. What are you still curious about? How can you learn more?
Video
grades 6–12
What's Inside a Rubik's Cube?
Ever wonder how a Rubik's Cube works and functions? Take a look inside this tricky puzzle and see if you think you can solve it!
Video
grades 6–12
The Benefits of a Bilingual Brain
¿Tú hablas español? Learn how knowing more than one language changes how your brain works.
Video
grades 6–12
Polynesian Navigators
For thousands of years, Polynesian navigators managed voyages without the help of modern navigational aids. How did they do it?

Video
grades 6–8
Types of Rocks
Get the hard facts on the three types of rocks: igneous, sedimentary, and metamorphic.

Video
grades 6–8
Climate Change
Check out this hip-hop video that explains how climate is different from weather and how we've dangerously impacted climate.
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 8–12
What Is the Butterfly Effect?
How well can we predict the future? Listen as Derek explains the science behind the butterfly effect and why it's so interesting to us.
Video
grades 6–12
What Are Constructed Languages?
Learn how some of your favorite shows create fictional languages, including Dothraki, High Valyrian, and Klingon.
Video
grades 3–8
The Egg Collection!
Eggs come in all shapes, colors, and sizes. Explore the evolutionary basis behind these differences with Emily Graslie and Dr. John Bates.
Video
grades 6–12
Why Does Rain Smell Good?
Why do so many bugs come out after a storm? Because it smells good! Find out the chemistry behind this curious and attractive aroma.

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.

Website/App
grades 3–12
Discover a STEM Career Path
Browse this site's videos featuring inspiring women discussing their work. Which careers seem most interesting to you? How might you pursue them?

Website/App
grades 6–12
Earth School
This eco-minded site has 30 quests to complete over six weeks, each with a video, questions, and ways to dig deeper.

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).

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.

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.

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.

Website/App
grades 7–12
Stars in Your Backyard
Become a citizen scientist from your bedroom window by measuring the light pollution in your area. Record your observations with your device and share.

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.

Website/App
grades 6–8
Getting Started With Motion
Download this free app and complete this short activity to learn how to track motion. Then take your phone outside and check out the data.

Worksheet
grades 6–12
Blood-Sucking Bats!
Use this downloadable worksheet to suck some math practice out of these fun facts about vampire bats.