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What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What happens when colored beams of light mix? You might be surprised.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

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

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Explore if planting seeds in a certain direction will affect how fast it germinates.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

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.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This experiment tests which gender is better at catching how a magician performs his tricks.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Find out whether matte or shiny nail polish lasts longer.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.