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Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Take a dive into the candy jar with this yummy science experiment.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Determine how good we are at direct and indirect observation.

Cleaning can be a chore, but not with this sudsy experiment!

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

The objective of this science project is to investigate patterns in fingerprints among family members.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Determine how we can separate the components of a solution

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

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