Earth Week

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Across
  1. 4. The highest layer of foliage in a forest.
  2. 5. The kind of rock that forms when molten rock cools and solidifies.
  3. 6. Animals that are active during the night.
  4. 9. A period of time in which no rain falls.
  5. 10. Animals that are active during the day.
  6. 13. The layer of water often found covering the ground in the mornings.
  7. 15. A desert plant very good at storing water.
  8. 17. An ecosystem of wide open fields.
  9. 18. A rapid flood of water.
  10. 19. A snow storm.
  11. 20. A kind of mountain that erupts with molten rock.
  12. 22. An ecosystem of treeless permafrost.
  13. 23. Very wet air.
  14. 24. The weather conditions of a certain area.
  15. 25. An ecosystem full of trees.
  16. 27. Animals that are active during dusk and dawn.
  17. 29. Very dry air.
  18. 30. An ecosystem largely composed of sand and small plants.
  19. 33. (Two Words) The official name for the Northern Lights.
  20. 34. Feathered vertebrates that hatch from eggs.
  21. 35. Lakes, rivers, streams, and wetlands.
Down
  1. 1. The kind of rock that forms when layers of sand, silt, and dead plants and animals are compressed.
  2. 2. An animal that eats only other animals.
  3. 3. The process plants use to turn sunlight into food.
  4. 7. The kind of rock that forms when other rocks are changed by heat and pressure.
  5. 8. Warm-blooded vertebrates that produce milk for their young.
  6. 11. Aquatic, scaled animals.
  7. 12. The largest ecosystem on earth.
  8. 14. A kingdom of plant-like organisms that grow without roots, stems, or leaves.
  9. 16. A large amount of falling rock or snow.
  10. 21. An animal that eats both plants and animals.
  11. 26. The process of a seed becoming a plant.
  12. 28. Cold-blooded, smooth-skinned vertebrates.
  13. 31. Cold-blooded, scaly-skinned vertebrates.
  14. 32. An animal that eats only plants.