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This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Construct batteries that make electricity from fruits with this fun science fair project.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science fair project idea investigates how images are influenced by changes in light.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

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.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

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

This science fair project idea explores substances that cause a bubble to last longer.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

In this project students experiment with making music using only glasses of water.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.