This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Determine which metal has the highest rate of conductivity.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

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.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

This science fair project idea determines the probability of a coin landing heads or tails.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

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

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Science fair project that uses distillation to convert salt water into fresh water.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.