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This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project idea investigates how the shape of an object affects drag.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

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

Discover whether people can distinguish what a person looks like just by listening to their voice.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!