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Rocks and wethering
test questions
| Question | Answer |
|---|---|
| 1. Some plants product acids which result in ______________ weathering . | Chemical |
| 2. A rock that contains tiny, connected spaces though which water can move is acid to be ______________. | Permeable |
| 3. One agent of chemical weathering is ______________ which combines with water to from carbonic acid. | Carbon dioxide |
| 4. The actions of animals most commonly can cause the type of weathering know as _____________. | Mechanical |
| 5. Rapid chemical weathering can be cause by ________________, which is rain combined with pollutants. | Acid rain |
| 6. Some plants product acids that result in _____________ weathering. | Chemical |
| 7. The factors that determine the rate of weathering are the type of ________ and _________. | rock and climate |
| 8. Acid rain causes very rapid ___________ weathering. | Chemical |
| 9. The most important agent of chemical weathering is _____________. | Water |
| 10. After chemical weathering, the chemical makeup of the weathering rock is __________ than the original rock | Diffrent |
| 11. Freezing and thawing are an example of __________ weathering. | Mechanical |
| 12. The movement of rock particles by ice, wind, or gravity is called _________. | Erasion |
| 13. The rate of chemical weathering is _____________ in hot, wet climates than in cold, dry climates. | Faster |
| 14. The gas that causes rock containing iron to oxidize is _______________________. | Oxygen |
| 15. The type of weathering that occurs due to release of pressure is ____________ weathering. | Mechanical |
| 16. What has a rock probably been chemically weathered by if it contains iron and becomes soft, crumbly, and reddish-brown in color. | Oxygen |
| 17. What may the growth of plant roots and animal activity result in? | Mechanical |
| 18. Granite will last a long time when it is used for building in what type of climate? | cold climat |
| 19. what kind of weathering causes the mineral composition of rock to change? | chemical |
| 20. what type of climate causes weathering to happen rapidly? | hot and wet |
| 21. what is ice wedging? | is the process water freezes in rocks acting like a wedge to break into rocks acting like a wedge. |
| 22. what is uniformitarianism? | the same process that happened in the past is happing today |
| 23. why does a permeable rock weather easily? | it has tiny air spaces that allows water to seep into the rock |
| 24. what can scientist infer from the rounded shape of the appalachian mountains? | that they are older rocks |
| 25. a marble statue is left exposed to the weather. what agent of mechanical weathering probably will cause it to weather? | freezing and thawing |
| 26. describe how freezing and thawing of water causes mechanical weathering | it expands if water gets in it |
| 27. plant roots that force cracks in rocks father apart are an agent of ___________ weathering. | Mechanical |
| 28. What is the agent of mechanical weathering called in which rock is worn away by the grinding action of other rock particles. | Abrasion |
| 29. Explain how oxygen causes chemical weathering. | Iron combines with oxygen in the presence of water in a process called oxidation. |
| 30. For hundred of years, an ancient statue had been kept outdoors in a country with a dry, mild climate. AU.S. city bought the statue and placed it outdoors in a park. The city has hot, rainy summers, freezing winter temperatures, and air pollution | acid rain,hot and cold climates, thawing and freezing, and ice wediging may weather a statue down. |
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