This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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.

This science fair project teaches students the differences between fruits and vegetables.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea explores the egg's thin membrane.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This biodiversity project examines the biodiversity in your own backyard.

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?

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this activity your child will create their very own marble maze!

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

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