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.

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.

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

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

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.

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 plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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.

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

Make sourdough bread...and learn some colonial history and modern science in the process!

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.

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