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Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

This science fair project idea demonstrates how our fingers prune when in water.

This science fair project investigates why the number of visible stars changes from place to place.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

This experiment will explore whether adding different substances to a gel affects its strength.

This science fair project idea investigates food preference of birds.

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.

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.

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

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.

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.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.