Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

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

Do you think heat can affect a plant's growth rate?

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

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Have your child kick off their summer vacation by making a miniature water slide!

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

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.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Test whether plants can grow without sunlight and water.

This science fair project idea examines which type of insulation holds in the most heat.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

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

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

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.