The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

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

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Have your child kick off their summer vacation by making a miniature water slide!

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.