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The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This science fair project idea explores whether white light can be separated into different colors.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This easy at-home experiment is a great way to "see" science.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

Learn all about balance and motion as your child designs a corn maze!

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

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

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

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.