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Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project idea investigates whether plants can survive being frozen.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Learn whether writing things down really makes things easier to remember.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This basketball project explores the best way to make the perfect shot every time.

This science fair project idea demonstrates that plants give off water.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea determines if the color of light affects the growth of plants.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea determines the most effective method of preserving food.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.