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

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

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

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 explores how osmotic pressure forces water through the root up into the plant.

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 whether talking to a plant will help it grow.

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

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

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.

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

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 determines if the color of light affects the growth of plants.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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.

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.

Find out whether putting something on top of a plant will inhibit its growth.

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.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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

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

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?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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.

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

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