module 2: energy and matter

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Across
  1. 4. an increase in a material’s volume when the temperature is increased.
  2. 5. the object that gains energy from the energy transfer.
  3. 6. movement in all directions and at different speeds.
  4. 9. The study of heat.
  5. 11. energy due to motion.
  6. 12. the transfer of thermal energy by the movement of particles from one part of a material to another.
  7. 13. the transfer of thermal energy by collisions between particles of matter
  8. 14. the object that provides energy for energy transfer.
Down
  1. 1. the transfer of thermal energy from one material to another by electromagnetic waves.
  2. 2. a material through which thermal energy does not flow easily.
  3. 3. a system that does not exchange matter or energy with the environment.
  4. 4. a decrease in a material’s volume when the temperature is decreased.
  5. 7. a material through which thermal energy flows easily.
  6. 8. the movement of substances from an area of higher concentration to an area of lower concentration.
  7. 10. a system that exchanges matter or energy with the environment.