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

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Hunt for natureâs treasure, the many different products made by trees!

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.