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Rocks and Weathering
These are the questions for test.
| Question | Answer |
|---|---|
| Some plants produce acids which result in __________ weathering. | chemical |
| A rock that contains tiny, connected spaces through which water can move is said to be __________. | permeable |
| One agent of chemical weathering is __________, which combines with water to form carbonic acid. | carbon dioxide |
| The actions of animals most commonly can cause the type of weathering known as __________. | mechanical |
| Rapid chemical weathering can be caused by __________, which is rain combined with pollutants. | acid rain |
| Some plants produce acids that result in __________ weathering. | chemical |
| The factors that determine the rate of weathering are the type of __________ and __________. | rock, climate |
| Acid rain causes very rapid __________ weathering. | chemical |
| The most important agent of chemical weathering is __________. | water |
| After chemical weathering, the chemical makeup of the weathered rock is __________ than the original rock. | different |
| Freezing and thawing are an example of __________ weathering. | mechanical |
| The movement of rock particles by ice, wind, water, or gravity is called __________. | erosion |
| The rate of chemical weathering is __________ in hot, wet climates than in cold, dry climates. | faster |
| The gas that causes rock containing iron to oxidize in __________. | oxygen |
| The type of weathering that occurs due to release of pressure is __________ weathering. | mechanical |
| Plant roots that force cracks in rocks farther apart are and agent of __________ weathering. | mechanical |
| What has a rock probably been chemically weathered by if it contains iron and becomes soft, crumbly, and reddish-brown in color? | oxygen |
| What may the growth of plant roots and animal activity result in? | mechanical weathering |
| What is the agent of mechanical weathering called in which rock is worn away by the grinding action of other rock particles? | abrasion |
| Granite will last a long time when it is used for building in what type of climate? | cool |
| What kind of weathering causes the mineral composition of rocks to change? | chemical |
| What type of climate causes weathering to happen rapidly? | hot and wet |
| What is ice wedging? | water freezes in rocks and acts like a wedge to break the rock apart |
| What is uniformitarianism? | the same process that happened in the past is happening today |
| Why does a permeable rock weather easily? | Water seeps through the cracks of the rocks. |
| What can scientists infer from the rounded shape of the Appalachian Mountains? | The Appalachian Mountains are old. |
| A marble statue is left exposed to the weather. What agent of mechanical weathering probably will cause it to weather? | freezing and thawing |
| Describe how freezing and thawing of water causes mechanical weathering. | Water gets into the crack of rocks. The water then freezes and expands, breaking the rock apart. |
| Explain how oxygen causes chemical weathering. | Iron combines with water to make oxidation. Oxidation results in rusting. |
| Predict how the city's climate will affect the weathering of the statue. Give reasons for your prediction. | The pollution will cause acid rain. The hot/cold climate results in freezing and thawing and ice wedging. Fast weathering occurs in hot and wet climates. |
Created by:
jubilee.heu
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