This science fair project idea explores substances that cause a bubble to last longer.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

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

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

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

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Give your budding young observers a chance to discover simple machines at use in their own home.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Learn about nature by making your own mini moss garden.

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

This science fair project idea examines liquids of different densities.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

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

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.