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Think about the adaptive utility of an important aspect of our physiology.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

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

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

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.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

This science fair project idea provides evidence that air is everywhere and takes up space.

This experiment will examine and precisely measure the amount of sugar in various sodas.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

Learn about the factors that influence group conformity.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Discover which fabrics shrink the most in the wash and why.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

This science fair project idea will be examining oxidation and acid rain

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.