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5 Written questions

5 Matching questions

  1. Endothermic Reaction
  2. Closed System
  3. Matter
  4. Physical Change
  5. Open System
  1. a Anything that has mass and occupies space
  2. b A system in which no matter is allowed to enter or leave
  3. c A change in a substance that does not change its identity
  4. d A reaction that absorbs energy in the form of heat
  5. e A system in which matter can enter from or escape to the surrounding

5 Multiple choice questions

  1. A characteristic of a pure substance that describes its ability to change into a different substance
  2. A material that decreases the rate of a reaction
  3. A substance that undergoes change in a chemical reaction
  4. A rapid reaction between oxygen and fuel that results in a fire
  5. The study of the properties of matter and how matter changes

5 True/False questions

  1. Chemical EquationA short, easy way to show a chemical reaction, using symbols.

          

  2. ConcentrationA rapid reaction between oxygen and fuel that results in a fire

          

  3. Activation EnergyThe minimum amount of energy needed to get a chemical reaction started

          

  4. ProductA substance formed as a result of a chemical reaction.

          

  5. ReplacementA substance that undergoes change in a chemical reaction

          

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