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Need some SAT Essay Tips? Check out these ABCs (and DEFs) of acing the SAT essay.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

This science fair project idea studies how talking on a cell phone affect driving?

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

In honor of Black History Month, this activity encourages your child to focus on African American inventors, and do a little inventing of his own.

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

Here's an innovative math puzzle that you can create with your fourth grade math student.

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!

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.

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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?

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.

Use a dichotomous key to identify plants or animals.

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

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.

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.

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

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.

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.

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.