Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

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

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines which method of hand cleansing is the most effective.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Make a backbone model to explore human anatomy and life science.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

How powerful is the reaction between baking soda and vinegar? Find out here!

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

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

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

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.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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