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Chemistry Science Fair Project Ideas

Examples of Good Projects

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Chemistry science fair projects can be fun.

Chemistry science fair projects can be fun.

Keith Weller, USDA
The best chemistry science fair project is one that answers a question or solves a problem. It can be challenging to come up with a project idea, but looking at a list of project ideas other people have done may stimulate a similar idea for you or you can take an idea and think of a new approach to the problem or question.

  • Can you use a black light to detect invisible spills or smelly stains in carpeting or elsewhere in the house? Can you predict what types of materials will glow under a black light?
  • Will chilling an onion before cutting it keep you from crying?
  • Does catnip repel cockroaches better than DEET?
  • What ratio of vinegar to baking soda produces the best chemical volcano eruption?
  • What fabric fiber results in the brightest tie-die?
  • What type of plastic wrap prevents evaporation the best?
  • What plastic wrap prevents oxidation the best?
  • Which brand of diaper absorbs the most liquid?
  • What percentage of an orange is water?
  • Are night insects attracted to lamps because of heat or light?
  • Can you make Jello using fresh pineapples instead of canned pineapples?
  • Do white candles burn at a different rate than colored candles?
  • Does the presence of detergent in water affect plant growth?
  • What contaminants can be detected in the air around us?
  • What type of car antifreeze is safest to the environment?
  • Do different brands of orange juice contain different levels of vitamin C?
  • Does the level of vitamin C in orange juice change over time?
  • Does the level of vitamin C in orange juice change after the container is opened?
  • Can a saturated solution of sodium chloride still dissolve Epsom salts?
  • How effective are natural mosquito repellents?
  • Does magnetism affect the growth of plants?
  • Do oranges gain or lose vitamin C after being picked?
  • How does the shape of an ice cube affect how quickly it melts?
  • How does the sugar concentration vary in different brands of apple juices?
  • Does storage temperature affect the pH of juice?
  • Does the presence of cigarette smoke affect the growth rate of plants?
  • Do different brands of popcorn leave different amounts of unpopped kernels?
  • How accurately do egg producers measure eggs?
  • How do differences in surfaces affect the adhesion of tape?

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