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

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

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.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

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 investigates whether plants can survive being frozen.

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

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

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

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

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

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 will help students learn about non-vascular plants, such as mosses.

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

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.