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Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

This science fair project idea explores whether certain physical and mental traits run in the family.

This science fair project idea explores how far the average human can see.

Demonstrate how to tell the age of an egg without having to crack it open.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Test whether spot magnets can help improve the symptoms of an injury.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Explore convex and concave objects and how they reflect light.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea explores whether white light can be separated into different colors.

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

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Discover whether the color of text correlates with ease and speed of reading.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.