The objective of this experiment is to evaluate which types of people are most impacted by the McCollough 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.

This science fair project idea discovers the principle of conservation of mass.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea produces consumable fresh water from salt water through desalination.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea demonstrates the process of land erosion.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.