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5 Written questions

5 Matching questions

  1. temperature
  2. homogeneous
  3. chemical change
  4. kinetic energy
  5. mixture
  1. a A combination of two or more substances that are not chemically combined
  2. b the energy an object has due to its motion
  3. c uniform; of the same kind
  4. d a measure of the average kinetic energy of the particles in a sample of matter
  5. e a change that produces matter with a different composition than the original matter

5 Multiple choice questions

  1. a pure substance made of only one kind of atom
  2. one in which the form or appearance of matter changes, but not its composition
  3. the SI unit of energy
  4. a reaction that releases energy in the form of heat
  5. the law that states that energy cannot be created or destroyed but can be changed from one form to another

5 True/False questions

  1. heterogeneousuniform; of the same kind


  2. chemical propertiesa quality or condition of a substance that can be observed or measured without changing the substance's composition


  3. endothermic reactiona reaction that releases energy in the form of heat


  4. physical propertycharacteristic that cannot be observed without altering the substance


  5. law of conservation of massMass is neither destroyed nor created during ordinary chemical reactions or physical changes