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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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

Test whether plants can grow without sunlight and water.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this project students experiment with making music using only glasses of water.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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

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

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

I scream, you scream, we all scream for homemade spearmint ice cream!

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.