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

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

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

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

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

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

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.

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

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

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

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

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

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

Determine how we can separate the components of a solution

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.

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

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This science project has students study the idea of human beauty.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.