Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science research project challenges students to think of more effective lobster farming methods.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this project, you will observe and record changes in sunspots over two weeks.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

This classic children's game demonstrates how sound travels through air vs. through a solid.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

This science fair project idea explores which fruit molds the fastest.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

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