This science fair project idea demonstrates that plants give off water.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This project explores whether music affects the growth and health of plants.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project examines the different composition of fungi and plants.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

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

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Plants and light seem to be good buddies, but how far does the friendship really go?

Do you think heat can affect a plant's growth rate?

Test whether plants can grow without sunlight and water.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

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

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

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.