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Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this project children practice the scientific method while playing with puffy paint.

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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Find out whether packaged seeds actually do expire in this new science fair project idea.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Cleaning can be a chore, but not with this sudsy experiment!