This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This experiment tests which gender is better at catching how a magician performs his tricks.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

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.

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

This science fair project idea investigates food preference of birds.

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

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

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Find out whether matte or shiny nail polish lasts longer.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

This experiment will explore the best way to create a perfect soft-boiled egg.

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

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

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

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

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

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.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Plants and light seem to be good buddies, but how far does the friendship really go?

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

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!