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Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Cleaning can be a chore, but not with this sudsy experiment!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

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

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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.

This science fair project idea examines whether people can decode scrambled messages.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea determines effective strategies to help students stay awake and attentive.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?