Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project idea examines the reason boats are shaped and engineered.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Learn whether writing things down really makes things easier to remember.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science experiment tests if dog saliva can really help heal wounds.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project idea provides evidence that air is everywhere and takes up space.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.