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5 Written questions

5 Matching questions

  1. calorimeter
  2. potential energy
  3. physical constant
  4. law of conservation of energy
  5. phase
  1. a energy stored due to an object's position or arrangement
  2. b the law that states that energy cannot be created or destroyed but can be changed from one form to another
  3. c properties of pure substances that can be measured and expressed numerically; fp, mp, d, etc.
  4. d any part of a system with uniform composition and properties; a state
  5. e a device used to measure the heat absorbed or released in a chemical or physical change

5 Multiple choice questions

  1. the study of matter, the changes it undergoes and the energy required to change matter
  2. the amount of heat energy required to convert one gram of a substance from a liquid to a gas
  3. the total amount of kinetic energy due to molecular motion in a body of matter
  4. a quality or condition of a substance that can be observed or measured without changing the substance's composition
  5. uniform; of the same kind

5 True/False questions

  1. physical changea change that produces matter with a different composition than the original matter


  2. endothermic reactionA reaction that ABSORBS energy in the form of heat


  3. massThe quantity of matter contained in a body; measured in grams


  4. mixtureany substance; has mass and volume


  5. calorieamount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius