Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science fair project idea determines if the color of light affects the growth of plants.

This simple experiment serves as an introduction to the greenhouse effect.

Make edible amber fossils with your second grader to explore the fascinating world of science!

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.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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