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.

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.

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

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

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

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.

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.

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.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Your child can twist and turn their way to creating a freestanding wire form! When they're done they can position and display their small statue wherever they want.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Make your own recycling game that helps teach your child what can and should be recycled.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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

A great way to cultivate awareness, focus and attention in the present is through movement. Mindful movement can also decrease stress and anxiety and increase calm.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.