Can We Cool the Planet?

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Across
  1. 4. the sun reaches Earth
  2. 6. Energy that comes from a source and travels through space at the speed of light
  3. 10. The outside of the building contains rows of large fans
  4. 12. Krakatoa erupted violently, spewUnderground rock formationso Earth’s upper atmosphere
  5. 14. Tiny particles of sulfuric acid from the eruption spread around the planet, blocking sunlight and lowering temperatures for about a year.
  6. 15. are developing technology to suck it directly out of the air.
  7. 16. The process by which green plants and some other organism use sunlight to food from carbon dioxide and water
  8. 17. These gases act like a blanket, trapping heat from the sun in Earth’s atmosphere.renewable energy like solar and wind power
  9. 18. energy releases carbon dioxide (CO2) and other greenhouse gases into the air.
Down
  1. 1. Krankatoa erupted violently spewing hot ash and gases into earths upper atmosphere.
  2. 2. ntentionally altering the environment, to cool the planet.
  3. 3. Others focus on reducing how much solar radiation.
  4. 5. Warming temperatures on Earth are already causing sea levels to rise and intensifying extreme weather, like heat waves and hurricanes.
  5. 7. like solar and wind power
  6. 8. calculated by averaging the temperatures over the sea
  7. 9. Burning coal, oil, and natural gas for energy releases carbon dioxide
  8. 11. a layer of the atmosphere 20 kilometers (12 miles) above the planet’s surface.
  9. 13. atoms as building blocks to grow and release oxygen back into the air