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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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?

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This project compares the strength of one, two, and three-ply toilet paper.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair project teaches students the differences between fruits and vegetables.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea investigates the difference in reaction times between boys and girls.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Science fair project that examines condensation and the conditions needed in order for dew to form.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.