4th - 8th Grade Science Projects Resources : Page 2

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

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.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This science fair project idea investigates how color affects temperature.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

This experiment will evaluate if chewing gum affects students' test performance.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this project, you will observe and record changes in sunspots over two weeks.

This project examines whether people's taste perception is influenced by what they see.

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea determines what household items are good conductors of electricity.