Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project idea examines which type of insulation holds in the most heat.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This project determines what category of person is most likely to be ticklish.

This science fair project idea explores whether white light can be separated into different colors.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea investigates the hardness property of minerals.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

This science fair project idea demonstrates that plants give off water.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project you will make a model of a cell membrane using very simple material.

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

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

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea explores substances that cause a bubble to last longer.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.