Find out which type of sponge holds the most water.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

Find out which kind of bubble wrap fares best when put in impact.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Discover whether a metal will expand under hot water.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Find out whether putting something on top of a plant will inhibit its growth.

Do different types of oil mix or stack? Find out in this science fair project idea!

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Examine the effect of pressure on carbonation in soda.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

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

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 examines how well individuals can remember a story they were told and how accurately they pass that story along.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.