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In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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.

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

This science fair project idea produces varying pitches of sound.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

This science fair project idea explores whether white light can be separated into different colors.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this science fair project, young children notice and track changes in trees throughout the year.

This project determines what category of person is most likely to be ticklish.

This science fair project idea explores how length affects the weight a bridge can hold.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.