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Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea discovers the effect of (high) heat on animal cells.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.