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.

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.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This science fair project examines how seeds hitchhike on animals and clothing.

Science fair project that tests whether cats have a preference for organic food.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.