Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Teach your child about the importance and meaning behind bowing in Asian cultures and help her expand her cultural horizons with this fun activity.

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!

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Use a dichotomous key to identify plants or animals.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Help your middle schooler "map" her complicated day. It's a simple job with big payoffs that will last all through the year!

This science fair project idea measures physical dexterity as a function of temperature.

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

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Deep relaxation is a great way to create the conditions for learning by helping students let go of tension and worry.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Help your child learn one of the most beautiful mathematical expressions in nature as she uses the Fibonacci sequence to create a "spiral of beauty."