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This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates the hardness property of minerals.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Test whether cutting up meats will make it cook faster than just cooking it whole.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This experiment will explore whether adding different substances to a gel affects its strength.

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

In this experiment you will evaluate whether praise improves athletic performance.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Test out various brands of permanent markers to see which one is least water soluble.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This project explores whether music affects the growth and health of plants.

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

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

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.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.