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 science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea explores whether talking to a plant will help it grow.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science experiment tests if dog saliva can really help heal wounds.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science fair project idea explores the different properties & interactions of sugar molecules.

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.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.