This science fair project idea explores substances that cause a bubble to last longer.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

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.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea produces sounds by creating vibrations using different objects.

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.

This project determines what category of person is most likely to be ticklish.

Examine the effect of pressure on carbonation in soda.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Discover which fabrics shrink the most in the wash and why.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea identifies trees using a dichotomous key.

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

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.