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

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea explores whether color affects a person's emotional state.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

In this experiment we will be determining whether birds prefer certain colors of seed.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Discover how and which salt melts ice the quickest.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Examine the effect of pressure on carbonation in soda.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.