Across
- 3. all matter and energy, including earth, galaxies, and all the contents of space, as a whole.
- 6. states that the total energy of the universe is constant.
- 7. the transfer of molecular kinetic energy between objects of different temperatures; measured in joules (J).
- 8. study of energy and energy transfer.
- 9. releases heat.
- 10. everything else in the universe.
Down
- 1. part of the universe that is being studied/observed.
- 2. relationship between the universe, a system, and its surroundings.
- 4. an indirectly observed quantity which comes in many forms.
- 5. takes heat, heat is required.