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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

This experiment will evaluate if chewing gum affects students' test performance.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science fair project idea determines if the color of light affects the growth of plants.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

This science fair project idea investigates how color affects temperature.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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 project researches the correlation between barometric pressure and wind velocity.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Use a dichotomous key to identify plants or animals.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.