This science fair project idea provides evidence that air is everywhere and takes up space.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

This science fair project idea produces sounds by creating vibrations using different objects.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science project investigates the influence of different genres of movies on appetite.

Here's a guide to starting a community clean-up project from scratch.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

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

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

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

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Make a backbone model to explore human anatomy and life science.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

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

Determine how we can separate the components of a solution

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Learn about the Hardy-Weinberg principle and how genetic equilibrium can be used to measure genetic variations in this fun science fair project idea.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

This science fair project idea determines which brand of batteries have the longest life.