What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

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.

This biodiversity project examines the biodiversity in your own backyard.

Science fair project that examines the biodiversity of ant populations in various locations.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

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

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

This science fair project idea compares biodiversity between drops of water.

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

This experiment will explore if and where fractals can be found in the natural world.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

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

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.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

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 project determines how much the rebound rates of tennis balls change after ten games.

This science fair project idea demonstrates the process of land erosion.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.