Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

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.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project idea examines whether boys and girls differ in reflexes.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.