Are you a Physical Science student looking for a Science Fair topic? Here is a list of projects that may inspire your own questions:

• How many folds (& what shape) will make a paper airplane go the furthest?
• Which fruits give off the most energy?
• Which metal (jewelry) tarnishes faster?
• How does the type of container affect the rate of heating/cooling of its contents?
• What are the effects of temperature on viscosity of oil?
• Which types of plants and vegetables make the best dye?
• What is the best method, other than heat, to melt ice?
• How different substances and compounds dissolve in different liquids and what they dissolve in best
• Which antacid works best?
• What's the best solvent for separating out the elements of purple, red, and green markers, or of instant drink mix?
• Which substances create rust on different metals?
• What is the difference between sliding and static friction?
• Does the color of a house or roof have an affect on the solar energy reflected or absorbed?
• What is the pH of different types of water?
• How fast do different fabrics burn?
• What affects does salt have on the melting and boiling point of water?
• Do white candles burn faster than color candles? Why or why not?
• How does temperature affect the speed of a reaction?
• How fast will ice melt on different surfaces?
• How can surface tension of water be affected by soap?
• How long will it take for a kettle boiling to shoot a cork off?
• How can pulleys be used to most efficiently lift 100 lbs.?
• Which toothpaste whitens teeth more?
• How can different substances be separated from a mixture?
• How do differences in surfaces affect the adhesion of tape?
• How does the tension in a spring affect the distance and velocity of an object?
• Can eggs withstand a greater force from one direction than another?
• Which kinds of materials burn fastest and why?
• What color light shines the brightest through fog?
• How does the weight of the ball affect its distance when thrown?
• Which household substances make the best lubricants?
• Which brand of battery lasts the longest?
• What materials conduct static electricity the best?
• Can magnets be used to levitate a model train?
• In which liquid does AlkaSeltzer dissolve faster?

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updated 07/24/2009