Energy and Matter: L3 Thermal Energy Transfers

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Across
  1. 1. The transfer of thermal energy from one material to another by electromagnetic waves.
  2. 5. A space that has little or no matter.
  3. 7. A group of related parts that move or work together.
  4. 9. The mixture of gases that surrounds Earth.
  5. 10. When the temperatures of materials that are in contact are the same.
  6. 11. Molten rock inside Earth.
  7. 12. To move something from one place to another.
  8. 13. The transfer of thermal energy between matter by the collisions of particles.
  9. 15. A planned way of doing something.
Down
  1. 1. The object that gains the energy.
  2. 2. A system that does not exchange matter or energy with the environment.
  3. 3. The object that provides the energy transferred.
  4. 4. Waves that travel through empty space and through matter.
  5. 6. The transfer of thermal energy by the movement of particles from one part of a material to another.
  6. 8. A state in which two things are balanced.
  7. 14. A system that exchanges matter or energy with the environment.
  8. 16. The amount of thermal energy moving from a region of higher temperature to a region of lower temperature.