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Chapter 6 Science Vocab Test

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5 Written Questions

5 Matching Questions

  1. Chemical Change
  2. Activation Energy
  3. Chemistry
  4. Synthesis
  5. Physical Change
  1. a The minimum amount of energy needed to get a chemical reaction started
  2. b A change in which on or more substances combine or break apart to form new substance
  3. c A chemical reaction in which two or more simple substances combine to form a new, more complex substance
  4. d A change in a substance that does not change its identity
  5. e The study of the properties of matter and how matter changes

5 Multiple Choice Questions

  1. A solid that forms from a solution during a chemical reaction
  2. A material that increases the rate of a reaction by lowering the activation energy
  3. A rapid reaction between oxygen and fuel that results in a fire
  4. A substance formed as a result of a chemical reaction.
  5. A characteristic of a pure substance that describes its ability to change into a different substance

5 True/False Questions

  1. Chemical EquationA change in which on or more substances combine or break apart to form new substance

          

  2. Closed SystemA system in which no matter is allowed to enter or leave

          

  3. ConcentrationThe amount of one material in a certain volume of another material

          

  4. Physical PropertyA characteristic of a pure substance that can be observed without changing it into another substance

          

  5. DecompositionA rapid reaction between oxygen and fuel that results in a fire

          

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