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.

This science fair project idea experiments with spinning color wheels and optical illusions.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

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 teaches students the differences between fruits and vegetables.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

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

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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.

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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.