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Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Examine whether males or females are more likely to have a higher center of gravity.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This science fair project determines the quality of a given product.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people

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.

Word color association is just a fancy way to talk about the way we connect colors with words.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.