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Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

This experiment explores whether caffeine improves athletic performance.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

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

Using a toy race car kids create a visual model of the Doppler Effect.

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

Science fair project that creates fog using bottles of hot and cold water.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Science fair project that uses distillation to convert salt water into fresh water.

Learn the anatomical and physiological differences between central and peripheral visual systems.