Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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 awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

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

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.