The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Science fair project that determines whether moths are attracted to one color of light more than others.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Check out this cool science fair project on identifying rocks and minerals for kids.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

This project compares different liquids and the freezing, melting and boiling points of liquids.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

This science fair project idea investigates how the shape of an object affects drag.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Determine which video game elevates the heart rate best and burns the most calories.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.