Physical Science *PEARSON* Chapters 6 - 7

Need to study for the physical science chapters 6 and 7 test? Use this quiz to help! This quiz only works for chapters 6 and 7 of the pearson physical science book.

From chemical reactions to fire safety this first part of the quiz covers all of chapter 6! Good luck, have fun, get a good grade, do well, and have fun.

Created by: AlexanduhHi

  1. Characteristic that describes how a substance can change to another substance.
  2. A burning candle is an example of a
  3. A melting ice cube is an example of a
  4. When a chemical reaction occurs, the bonds of a substance break and new bonds form.
  5. New substances form during chemical reactions.
  6. A solid forming when two liquids are mixed is a sign that a chemical reaction has occurred.
  7. Changes in energy never occur during chemical reactions.
  8. Reaction in which energy is absorbed.
  9. Reaction in which energy is released.
  10. CaCO3 --> CaO + CO2 Which is the reactant?
  11. CaCO3 --> CaO + CO2 Which is the product?
  12. Matter is not created or destroyed in a chemical reaction.
  13. Matter is not created or destroyed in a chemical reaction.
  14. The products of a chemical reaction always have the same number of ___ as the reactants.
  15. Mg + O2 --> MgO Both sides have the same number of oxygen atoms.
  16. ___H2 + O2 --> 2 H2O Fill in the blank.
  17. 2 NaN3 --> 2 Na + ___N2 Fill in the blank.
  18. 2 Cu2O + C --> 4 Cu + CO2
  19. 2 H2 + O2 --> 2 H2O
  20. 2 H2O2 --> 2 H2O + O2
  21. All chemical reactions need activation energy.
  22. Exothermic reactions do not need activation energy.
  23. Endothermic reactions need activation energy and energy to keep going.
  24. All chemical reactions occur at the same time.
  25. Increase surface area.
  26. Increase temperature.
  27. Decrease temperature.
  28. Increase concentration.
  29. A material that slows down a reaction.
  30. A material that speeds up a reaction.
  31. The amount of a substance in a given volume.
  32. A material that releases energy when it burns.
  33. A very fast reaction between oxygen and a fuel.
  34. Fuel + Oxygen + ___ = Fire
  35. You can smother a fire by getting oxygen to it.
  36. If a fire gets out of control, you should call the fire department.
  37. The best way to stop a fire is to prevent one from starting.
  38. What chapter was questions 3 - 39 for?

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