Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea compares biodiversity between drops of water.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea determines which method of hand cleansing is the most effective.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this project students experiment with making music using only glasses of water.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Discover how and which salt melts ice the quickest.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Examine the effect of pressure on carbonation in soda.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea examines which type of insulation holds in the most heat.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

The project determines which laundry detergent is best for cleaning clothes.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project idea explores whether talking to a plant will help it grow.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.