Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Find out if most people can distinguish the difference between tones on different instruments.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

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.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

This experiment evaluates if personality influences whether a person prefers dogs or cats.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This science fair project idea investigates the difference in reaction times between boys and girls.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

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

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.