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In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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

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.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

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

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Take a dive into the candy jar with this yummy science experiment.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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.