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5 Written questions

5 Matching questions

  1. What silly name helps you remember the diatomics
  2. Closed System
  3. Combustion
  4. Precipitate
  5. Chemistry
  1. a A rapid reaction between oxygen and fuel that results in fire
  2. b The study of matter and how matter changes
  3. c A solid that forms from solution during a chemical reaction
  5. e Matter is not allowed to enter or leave

5 Multiple choice questions

  1. Star Pellet
  2. The minimum amount of energy needed to start a chemical reaction
  3. A material that releases energy when it burns
  4. The new materials at the end of a chemicle reaction
  5. A characteristic of a substance into another substance

5 True/False questions

  1. SynthesisAnything that has mass and takes up space


  2. CatalystA material that increases the rate of a reaction by lowering the activation energy


  3. Fire TriangleThe substances you have at the beginning of a chemical equation


  4. CoeffecientThe number placed in front of a chemical formula in an equation


  5. Fireworks are also known asOxygen,Fuel,Heat


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