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This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

An home science experiment for older students that teaches about the science behind heat.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This project explores ways to prevent static electrical shocks.

This science fair project idea investigates the difference in reaction times between boys and girls.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

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

Help your child celebrate the summer and the sun by making a sandy seascape.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Help your child make a beautiful homemade sandcastle that will last!

This simple experiment serves as an introduction to the greenhouse effect.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.