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.

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

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.

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.

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.

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?

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

Use a dichotomous key to identify plants or animals.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea teaches kids the different functions of a leaf.

This science fair project challenges students to research and interact with the animals and plants that live in tide pools and test a practical use of tidepools

Find out whether packaged seeds actually do expire in this new science fair project idea.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.