Across
- 2. any kind of energy that can be used to make lights and machines work
- 4. power from things, such as electricity or the Sun, that can be used to heat things and make lights and machines work
- 7. to be caused by or related to the Sun
- 8. totally quiet and not making any sound
Down
- 1. beneath the surface of the Earth
- 3. moving in a steady stream
- 5. energy that flows through wires and makes lights and machines work
- 6. to carry something heavy