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Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This project is a great way to explore variations in how to paint using watercolor.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Your child can now recreate history by building his very own fortified castle.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Your child is sure to find this colorful pink, green and white salad simply irresistible. For an added challenge, give your youngster a pair of chopsticks!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Inspire your fifth grader to explore a new culture and determine her New Year's fortune by playing this German wax dripping game.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Your child can transform a triangle of felt into a colorful and motivating pennant sharing all her favorite characteristics and traits.

Create a tornado vortex in your kitchen in this 5th grade science experiment. All you need are two plastic bottles, duct tape, and a metal washer to begin.

Illustrate the importance of bicycle safety in this simple 5th grade science experiment. All you need to start are an egg, a Styrofoam ball, and rubber bands.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Simplify fractions with your child in this fast-paced math card game.

Your child can explore color mixing and design while folding together a paint-filled paper and then using a marker to outline it.

Help your children practice their presentation skills by helping them create their very own show called "The Daily News."

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.