In this CD hovercraft science project, students will construct their own DIY hovercraft.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

Discover which battery composition (type) lasts the longest.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

This science fair project idea demonstrates that plants give off water.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

This science fair project examines the different composition of fungi and plants.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

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

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

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

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

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.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Cleaning can be a chore, but not with this sudsy experiment!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.