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

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

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

This science fair project idea determines which flower lasts the longest.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project determines which type of physical activity most improves memory.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Get a better understanding of water content by dehydrating carrots.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.