Solar Energy

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Across
  1. 2. that changes DC to AC (Inverter)
  2. 4. of turning waste into reusable material (Recycling)
  3. 7. without being connected to the main power system (Off-grid)
  4. 8. sunlight directly into electricity (Photovoltaic)
  5. 9. element used in making solar cells (Silicon)
Down
  1. 1. energy for later use (Battery)
  2. 3. environmental damage (Polluting)
  3. 5. to the sun (Solar)
  4. 6. of electric charge (Electricity)