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In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science experiment tests if dog saliva can really help heal wounds.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Find out which kind of bubble wrap fares best when put in impact.

Find out whether putting something on top of a plant will inhibit its growth.

Help your second grader embrace his "green" side by recycling empty citrus peels into fruity ice cream bowls!

Do different types of oil mix or stack? Find out in this science fair project idea!

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

Looking for a way to channel your spring fever? Create a beautiful spring centerpiece with your child!

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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Celebrate autumn by making a beautiful pastel art piece with corn as its theme.