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This project examines whether people's taste perception is influenced by what they see.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science project teaches students to classify different shapes of leaves.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science fair project idea explores whether talking to a plant will help it grow.

Teach your child how butter is created by shaking up cream the old-fashioned way.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.