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

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

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

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.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

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

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

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

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

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

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

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.

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

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

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

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

The objective of this science project is to determine the length of time for different seeds to germinate.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project will help students learn about non-vascular plants, such as mosses.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Use a dichotomous key to identify plants or animals.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!