Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Celebrate Earth Day by making a poster that encourages people not to litter.

The Earth is always providing in so many ways! In this activity, children reflect on how the Earth gives and on their love for the Earth through discussion and letter writing.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Children will reflect on the importance of performing acts of kindness for the Earth, hear a story about easy ways they can care for the Earth, and set goals to conserve more in their everyday lives.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this activity, your child will reflect on one role model in their life or research one historical figure that has displayed perseverance. Then, they will create a slideshow presentation or poster that defines and illustrates perseverance.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Take some inspiration from the past and create some wood block prints with your fourth grader.

In this activity, your child will reflect on how adults can learn from kids. They will watch a TED Talk presented by a 12-year-old girl about the power of young people’s ideas and teachings, and they will generate some of their own unique ideas.

In this inspiring activity, children create and perform their very own Reader’s Theater about helping the planet!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this activity, your child will practice taking on the perspective of others and will generate ideas for conflict resolution at home.

What better way to care for the earth than to create a Call to Action plan for the entire family?

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

This activity is a great way to engage learners in Earth Day celebrations while cultivating skills around nonfiction comprehension and research writing.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Children reflect on ways they have cared for themselves, others, and the Earth before building a garden to share beauty with others in their community.

Create a giant octopus from cardboard that holds onto a sea of creatures from its tentacles!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Create a compass rose from sidewalk chalk in this summer geography project!

Craft butterflies from coffee filters in this sweet spring craft project!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Discover whether cold or hot water from the faucet will boil faster on the stove.

This science fair project investigates why the number of visible stars changes from place to place.