Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

This science fair project idea determines which colors are more difficult to read at a distance.

In this experiment you will use plastic and magnets to test your local soil composition.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

The objective of this science fair project is to explore whether superabsorbent polymer or hyrdrogel crystals have the best waterabsorbency.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

This science fair project determines which type of physical activity most improves memory.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

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

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Slip some science into storm watching with a homemade rain gauge!

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

This science fair project idea investigates whether air has mass and weight.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.