Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

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

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

Science fair project that determines whether brain size is correlated with intelligence.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

This science fair project idea designs safe bicycle routes using GPS.

This science fair project idea discovers the average time it takes for a person to remember something completely.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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:

Determine which metal has the highest rate of conductivity.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!