Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project idea examines liquids of different densities.

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

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Do different types of oil mix or stack? Find out in this science fair project idea!

Discover how and which salt melts ice the quickest.

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

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

The project determines which laundry detergent is best for cleaning clothes.