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This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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.

Demonstrate how to tell the age of an egg without having to crack it open.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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.

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.