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Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea explores the different properties of matter.

This project explores ways to prevent static electrical shocks.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This easy at-home experiment is a great way to "see" science.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Making your own glass cleaner is easy, effective and inexpensive!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

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

This science project teaches students to classify different shapes of leaves.

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