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Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

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.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

This science fair project idea investigates the relationship between memory and age.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

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

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

Design an improvement for an existing website. Program improved feature, get website owner to implemement new design.

Test whether plants can grow without sunlight and water.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

This science fair project idea tests the efficiency of short term memory.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!