Across
- 2. Any kind of energy that can be used to make lights and machines work.
- 4. Power that is produced to make machines work or provide heat.
- 7. Something related to or caused by the Sun.
- 8. Something that does not make any sound.
Down
- 1. Something that is beneath the surface of the Earth.
- 3. When a liquid moves in a steady stream.
- 5. Energy that flows through wires and makes lights and machines work.
- 6. Carry something heavy.