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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

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

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

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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

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

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea investigates how color affects temperature.

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.