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Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

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

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

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.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

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

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

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

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

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

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

This science fair project idea demonstrates how our fingers prune when in water.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This science fair project determines the quality of a given product.

This project examines whether more expensive golf balls translate into better results on the golf course.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.