In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea explores how length affects the weight a bridge can hold.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Is it a square or a circle? See if you can trick your friends with this zany science project!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this activity your child will create their very own marble maze!

In this activity, your child will be challenged to make a tower using paper cups.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This project examines whether people's taste perception is influenced by what they see.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This science fair project idea investigates how the shape of an object affects drag.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.