Discover fun and educational Earth Day science activities for kids! Engage young minds with hands-on experiments that celebrate our planet and inspire environmental stewardship.

With Earth Day just around the corner, I rounded up a big list full of fun Earth Day science activities! Kids will love using hands-on projects and experiments to learn about our planet, how to take care of it, and how it works.
Need an Earth Day Curriculum?
Learn about Earth Day and how to save our planet, incorporate copy work, get hands on, and read some amazing books designed to be used over 1-2 weeks.
When is Earth Day?
Earth Day is a yearly event that is celebrated on April 22.
What is Earth Day?
Earth Day is a global celebration of environmental issues that started in 1970. It allows us to look at current environmental issues, ways we can help, get outside, and appreciate what God has given us.
Earth Day Science Activities to Try:
How to Grow Beans in a Bag

Unleash your child’s curiosity with our guide on how to grow beans in a bag! Explore science concepts through this engaging activity that makes learning fun and interactive.
How to Make a DIY Bird Feeder for Kids

Use recycled materials to create your very own bird feeder!
Carbon Footprint Activity for Kids

Brainstorm and investigate what a carbon footprint is and a few things that we can do every day to reduce ours.
Teaching Kids About Pollution

It is so important for children and adults to understand where pollution comes from and how we can help make a difference.
Exploring Safe Drinking Water

A safe drinking water lesson may not be high in importance for many, but safe water is a critical need for many people.
Earth Day STEM Challenges

If you want to keep the kids busy and give them something to work on this spring, these printable Earth Day STEM challenges are the way to go! Plus, you can reuse and repurpose materials you already have on hand!
Baking Soda and Vinegar Balloon

What better science experiment to do when discussing the earth’s atmosphere than the classic baking soda & vinegar experiment?
Oil Spill Experiment

Learn more about ocean pollution as you create your own oil spill model and try to find ways to clean up the oil.
Recycled Toy Robot Project

Reduce, reuse, and recycle with one of the best Earth Day science activities. Take old toys and reverse engineer them to create your very own recycled toy robot!
Lava Lamp Experiment

Try kitchen science with a homemade lava lamp that explores liquid density and a cool chemical reaction for a fun Earth Day science activity.
Upcycled Catapult

Create your own upcycled catapult using recycled materials you have around the house! A fun way to teach children physics!
Earth Toast: A Tasty Global Warming Lesson

A fun approach to global warming. Help your kids understand what is happening to the earth with a tasty treat.
Fizzy Earth Day Science Experiment

Explore chemical change with your kids with this baking soda and vinegar activity. Your kids will want to do this one over and over! Make sure to grab the free STEM Activity cards from this post as well.
Earth Day Stop Motion Animation Project

In this STEM project, challenge students to apply some creativity and technology skills, to create informative stop motion animation videos about Earth Day and planet Earth.
3D Water Cycle Science Project for Kids

Explore science with this 3D Water Cycle science project built with LEGOs®!
DIY Trash Grabber Project

With this nifty tool, kids will be excited to help clean trash in their community! Plus they will learn some STEM skills along the way. It’s a win for the kids and a win for the environment!
DIY Recycled Suspension Bridge

A great recycled-materials engineering challenge. Take a look at suspension bridges around the world and gather more materials to build your own unique model.
Recycled DIY Marble Run

Make a Marble Run from your recycling bin! Even reluctant makers will find the fun in this project.
How to Easily Make Recycled Paper

A simple activity which provides children with rich sensory play while learning about the process involved in recycling paper.
Re-purpose Dryer Lint for Gardening

This activity will help your kids learn about repurposing an item and can help them understand what repurposing is!
DIY 3D Model of Earth Layers Using Recycled Materials

A three-dimensional model best explains and gives the closest representation of our spherical Earth. Using recycled materials reduces the amount of waste produced, contributing a small part to the grand scheme of saving Earth.
Snickers Bar Rocks

A simple Snickers candy bar can be a great tool for teaching the stages of the rock cycle.
Why is the Sky Blue?

See WHY the sky is blue with this simple science experiment! And all you need are some basic supplies from around the house!
Rainbow Rain Science Experiment

This rainbow rain science experiment is a perfect indoor activity and a great way to learn about rain clouds. It is an activity that kids of all ages will enjoy and want to do over and over!
Earthquake Science Experiments

Use jelly and brownies to demonstrate how earthquakes work in this fun kitchen experiment!
More Earth Day Fun
Earth Day Activities for Students