Climate Change Crossword

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Across
  1. 2. The name for the orbit of a planet when it is an oval.
  2. 5. The gradual heating of the Earth.
  3. 8. The man to discovered how to generate an electric current in 1831.
  4. 9. A type of energy that comes from warmth underground.
  5. 11. A compound of hydrogen and carbon, which most oil is made of.
  6. 14. The name for oil in it's natural thick black form.
  7. 15. A source of energy that uses radioactive materials like Uranium.
  8. 16. A human change of climate change by cutting down trees.
  9. 17. The current geologic period. It contains the last ice age.
  10. 20. Period when the ice has ice at it's poles.
  11. 22. The tilt of the Earth. Changes every 41,000 years.
Down
  1. 1. A type of fuel made from the remains of dead organisms.
  2. 3. The gradual change in the Earth's average temperature and weather.
  3. 4. A type of energy that comes from the Sun.
  4. 6. A human cause of climate change by farming, growing crops and cattle.
  5. 7. The effect that keeps the planet warm.
  6. 10. Something that doesn't harm the environment.
  7. 12. Effects that affect people.
  8. 13. A greenhouse gas that is emitted from cows in various ways. Chemical formula CH4.
  9. 18. Energy that can be reused.
  10. 19. Effects that affect money and jobs.
  11. 21. A period of abnormally warm temperatures.