Environment Crossword

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Across
  1. 1. The less energy people use, the better for the _______.
  2. 5. _________ destroy forests very quickly.
  3. 7. Hydrogen is an _________ gas that’s incredibly powerful.
  4. 8. Trees do important things to keep the ___________ safe.
  5. 9. A ____ turbine has three blades which are pushed round by the breeze.
Down
  1. 2. Trees and plants are great ______ stores.
  2. 3. The middle of our planet is so hot, that some rocks deep down ____.
  3. 4. The earth would be an icy _____ planet without the giant sun.
  4. 6. Fossil _____ are made from the remains of animals that died long ago.
  5. 7. core Geothermal energy is heat ______ underneath earth’s surface.