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What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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.

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

This science project allows students to study the psychology of happiness.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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