1. MOUNTAIN 2. RIVER 3. FOREST 4. DESERT 5. ISLAND 6. VOLCANO 7. WATERFALL 8. LAKE 9. CAVE 10. JUNGLE 11. OCEAN 12. BEACH

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Across
  1. 2. with water all around it.
  2. 4. that flows from one place to another.
  3. 5. place near the sea.
  4. 8. dry place with sand and little water.
  5. 9. with many trees and animals.
  6. 10. that falls from a high place.
Down
  1. 1. that can explode with hot lava.
  2. 3. large water between continents.
  3. 6. place under the ground or in a mountain. A hot, wet forest with many plants and animals.
  4. 7. area of water surrounded by land.
  5. 8. high place made of rock and earth.