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

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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!

This science fair project idea experiments with spinning color wheels and optical illusions.

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.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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.