Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

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 that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

This science fair project idea outlines the principles and techniques behind paper batteries.

This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project idea examines whether boys and girls differ in reflexes.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

In this project, several food items are tested to determine whether they contain starch.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea examines liquids of different densities.

This science fair project discovers the causes, effects and practical applications of buoyancy and encourages technological advances.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

This science fair project idea deals with the qualities of shade on a sunny day.

The project determines which laundry detergent is best for cleaning clothes.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea determines which flower lasts the longest.

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

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This science fair project idea discovers the practical applications for the structural design of a snail shell.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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.

This science fair project idea explores the fastest average speed a human can talk.