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

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

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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

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

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

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

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

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.

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

Test whether plants can grow without sunlight and water.

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

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

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

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

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

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

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

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

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

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.

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

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

Free science fair project idea examining how different types of water affect plant germination and growth.

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

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