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

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this science fair project, students use the streak test to tell minerals apart from each other.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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.

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

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Create a self-portrait from natural materials in this collage craft activity!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea explores how length affects the weight a bridge can hold.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.