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.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

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

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This experiment tests which gender is better at catching how a magician performs his tricks.

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

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

This science experiment tests if dog saliva can really help heal wounds.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.