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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.

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.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

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

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project idea examines the reason boats are shaped and engineered.

This science experiment tests if dog saliva can really help heal wounds.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?