How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This classic children's game demonstrates how sound travels through air vs. through a solid.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This project compares the strength of one, two, and three-ply toilet paper.

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

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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!

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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?

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this experiment we will be determining whether birds prefer certain colors of seed.

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.

This science fair project idea explores whether talking to a plant will help it grow.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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