Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

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.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

This science fair project idea explores the different properties & interactions of sugar molecules.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

This experiment explores whether caffeine improves athletic performance.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Compare different remedies for cooling the mouth after eating spicy food.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Determine whether the relationship between a personâs armspan and height are genetic.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.