Across
- 2. Machine uses wind to spin blades and produce electricity.
- 4. Systems and structures needed for a society to work (roads,bridge , dams)
- 8. Electricity made by water flow through turbines.
- 10. Electricity or energy used to make machines, lights or devices work.
- 11. Energy from the sun that can make electricity.
- 13. Device stores electrical energy for later use.
- 14. Ability to make something move or work.
- 15. Electric pressure that pushes current through a circuit.
Down
- 1. The work of designe and build machines or systems.
- 3. Machine that spins to make electricity in hydroelectric dams.
- 5. Unit used to measure electric current.
- 6. Tools, machines and systems created by people to solve problems or make life more easy.
- 7. Famous inventor who worked on alternating current. Nikola ______
- 9. Energy from sources that are naturally restocked.
- 12. Force that attracts or rejects metals.