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

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

This science fair project idea determines if the color of light affects the growth of plants.

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

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science fair project idea determines the probability of a coin landing heads or tails.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This project determines what category of person is most likely to be ticklish.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this experiment we will be determining whether birds prefer certain colors of seed.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.