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Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

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

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

This science fair project idea produces varying pitches of sound.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

The purpose of this science fair project is to build a basic radio.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

This science fair project idea demonstrates sonar mapping of the ocean floor.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

This science fair project idea explores which kinds of earplugs are the most effective.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

This project examines whether and what associations exist between numbers and letters and colors.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.