Across
- 1. A group of parts that perform a function
- 4. Energy from fuel, food, and batteries
- 6. Energy that comes out of a device
- 7. The purpose of a device or system
- 9. Energy that is put into a device
- 10. Someone who designs and redesigns systems to solve problems
- 11. Energy we can see from lamps and other devices
Down
- 1. Energy from the Sun
- 2. Moving the same form of energy from one place to another
- 3. Energy that makes things move
- 5. Energy you can hear
- 8. Changing one energy form to another
