This science fair project investigates why the number of visible stars changes from place to place.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project idea identifies trees using a dichotomous key.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.