In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

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

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Discover whether a metal will expand under hot water.

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.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea explores whether color affects a person's emotional state.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science fair project teaches students about wilting and browning of salad greens.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Examine the effect of pressure on carbonation in soda.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea explores which fruit molds the fastest.