Earth's Natural Systems Revision Crossword

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Across
  1. 4. The breakdown of rock in its original place without movement.
  2. 6. Water that falls from clouds as rain, snow, sleet or hail.
  3. 9. The trapping of heat in Earth’s atmosphere by gases such as carbon dioxide.
  4. 12. The amount of incoming solar radiation received by Earth.
  5. 16. The reflectivity of Earth’s surface.
  6. 17. The removal and movement of weathered material by wind, water or ice.
  7. 19. The value of the environment simply because it exists.
  8. 20. Lines on a weather map that join places of equal air pressure.
Down
  1. 1. A pressure system that brings clear, dry and stable weather.
  2. 2. A transition zone between two ecosystems.
  3. 3. The total amount and distribution of water on Earth.
  4. 5. The study of landforms shaped by weathering, erosion and deposition.
  5. 7. The continuous movement of water through evaporation, condensation and precipitation.
  6. 8. The global wind cell between the Equator and 30° latitude.
  7. 10. The process where liquid water changes into water vapour due to heat.
  8. 11. The value of the environment based on its usefulness to humans.
  9. 13. A weather map showing pressure systems and wind patterns.
  10. 14. Shared global resources not owned by one country, such as the atmosphere.
  11. 15. A pressure system that brings cloud, rain and strong winds.
  12. 18. The large-scale movement of air that creates trade winds and westerlies.