Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This science fair project idea researches the effects of acid rain on plant growth.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Find out whether putting something on top of a plant will inhibit its 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 science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea investigates whether plants can survive being frozen.

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

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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