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

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

This experiment explores how listening in to a one-sided conversation affects concentration.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Compare different remedies for cooling the mouth after eating spicy food.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This science fair project examines how seeds hitchhike on animals and clothing.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

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

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

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

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

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

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.