Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Find out which kind of bubble wrap fares best when put in impact.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

This science fair project idea produces varying pitches of sound.

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

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This project explores ways to prevent static electrical shocks.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project will help students learn about non-vascular plants, such as mosses.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This basketball project explores the best way to make the perfect shot every time.