Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

In this experiment, the weight of aluminum cans will be compared.

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.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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.