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Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

This science project researches the correlation between barometric pressure and wind velocity.

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This experiment will evaluate if chewing gum affects students' test performance.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

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.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

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.