Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This project compares different liquids and the freezing, melting and boiling points of liquids.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Explore the effect of wind speed on the burning rate of a candle.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

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

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

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.