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Across 3. Water, wind, and ice help rocks grind away at other rocks (mechanical weathering) 6. The transportation of weathered material 8. Wind moves clockwise and down in this pressured area 10. Wind moves counter clockwise and up in this pressured area 11. Besides dissolving teeth this acid dissolves limestone (chemical weathering) 13. The leading edge of a mass of warm or cold air 14. All our weather occurs in this layer 16. This type of sediment is the smallest, it even floats for a while! 21. 79 degrees or more will form one of these in the ocean 23. Water drains on the surface 24. Fluffy clouds 26. Use the Fujita scale to measure these 29. Water vapor cools and contracts 31. The reason Boise is dry is due to a rain _________ 33. All the dead stuff in the top soil 35. Flash floods wash rock and debris down canyons and out into valleys creating fan shapped deposits 37. Small wind blown glacial deposits 39. Water acts like a weak acid (chemical weathering) 40. The holes are connected like a sponge 42. Rain, hail, snow, sleet 43. When water freezes it causes ice ... (mechanical weathering)

Down 1. Snow + mass movement 2. The solid layer below horizon C 4. Oxygen + iron = brown stuff (chemical weathering) 5. Plants start out as these and expand- this is how they break rocks (mechanical weathering) 7. Three oxygens protect us from harmful radiation (stratosphere) 9. A small valley near the top of a mountain carved out by a glacier 12. Fast flowing air aloft- airplanes use it to save gas 15. Plants produce water throug photosynthesis 16. High whispy clouds 17. The average weather in a given area 18. A river runs into the ocean depositing sediment in a fan shape or "D" shape 19. Anvil shaped cloud- very high, produces lightning 20. Rocks have holes 22. wind blown deposits "Bruneau" 25. A large mass of ice that moves downhill carving rock on the way 27. A large plane of glacial deposits just below a glacier 28. Mass movement + water 30. Rain water filters into the ground 32. The ridgeline left after a glacier carves a cirque 34. Positive and negative charges meet to produce extreme heat 36. The breaking down of parent rock 38. Glacial deposits 41. Slowest mass movement