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5 Written Questions

5 Matching Questions

  1. The Basic ingredient in a Firework
  2. Chemical Equation
  3. Chemical Reaction
  4. Synthesis
  5. Endothermic Reaction
  1. a a shorthand way to use chemical symbols and numbers to describe a chemical reaction
  2. b Star Pellet
  3. c A change in matter that produces one ore more new substances
  4. d A reaction in which energy is absorbed
  5. e A Chemical Reaction in which two or more simple substances combine to form a new, more complex substance

5 Multiple Choice Questions

  1. A reaction in which one element replaces another in a compound, or when two elements in different compounds trade places.
  2. A characteristic of a substance into another substance
  3. A Characteristic of a substance that describes its ability to change into another substance
  4. The new materials at the end of a chemicle reaction
  5. Oxygen,Fuel,Heat

5 True/False Questions

  1. MatterAnything that has mass and takes up space


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


  3. DecompostionA chemical Reaction that breaks down compounds into simpler products


  4. ChemistryA material used to decrease the rate of a reaction


  5. Open SystemMatter is not allowed to enter or leave


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