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.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

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.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

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.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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.