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In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Discover whether cold or hot water from the faucet will boil faster on the stove.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Examine the effect of pressure on carbonation in soda.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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 science fair project idea explores the different properties & interactions of sugar molecules.

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.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

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.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.