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

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

Find out which type of sponge holds the most water.

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

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Explore the electrical energy present in energy drinks.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

This science fair project idea determines what household items are good conductors of electricity.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

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

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Will male or female hair grow faster? Find out in this science fair project idea!

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

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

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea determines what household items are good conductors of electricity.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

This science fair project idea examines the reason boats are shaped and engineered.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.