This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

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

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.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

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

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

This science fair project idea studies the differences in gender perception between people.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This project is about after-images and what possibly affects them.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Science fair project that determines how we can change potential energy into kinetic energy.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This project examines the concentration of dissolved oxygen in water, with and without oil.