Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Examine the impact of insecticides on plant growth.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

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

This science fair project idea determines if the color of light affects the growth of plants.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

This easy at-home experiment is a great way to "see" science.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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

Discover which method for odor removal words the best for stifling refrigerator odors.

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!