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.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

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.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.