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Rocks and Weathering
Test questions
| 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. | Carbonic dioxide |
| The actions of animals most commonly can cause the type of weathering known as ______________. | Mechanical |
| Rapid chemical weathering can be caused by _______________. | Acid rain |
| Some plants produce acids that result in ___________ weathering. | Chemical |
| The factors that determine the rate are the type of ________ and __________. | Rock and climate |
| Acid rain causes very rapid ___________ weathering. | Chemical |
| The most important agent of chemical weathering is __________. | Water |
| After chemical weathering, the 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 is ______________. | Oxygen |
| The type of weathering that occurs due to release of pressure is __________________ weathering. | Mechanical |
| Plant roots that force cracks in rocks farther apart an agent of ____________________ weathering. | Mechanical |
| What has a rock probably been chemically weathered by if it contains iron and becomes soft, crumbly, and reddish brown 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? | Cold |
| What kind of weathering causes the mineral composition of rocks to change? | Chemical weathering |
| What type of climate causes weathering to happen rapidly? | Hot and wet |
| What is ice wedging? | Water freezes in rocks and acting like a wedge to break the rock apart. |
| What is uniformitarianism? | The same process that happened in the past thats happening today. |
| Why does permeable rock weather easily? | It has tiny air spaces that allows water to seep into rock. |
| What can scientist infer from the rounded shape of the Appalachian Mountains? | That some rocks are older. |
| 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. | When water freezes in a rock, it expands. |
| Explain how oxygen causes chemical weathering. | Oxygen mixes with water to form oxidation |
| For hundreds of years, an ancient statue had been kept outdoors in a country with a dry, mild climate. A U.S. city bought the statue and placed it outdoors in the park. Predict how the city's climate will affect the weathering of the statue. | Some of the reasons why the statue may weather is because of the pollution and the wet climate would cause acid rain, the hot/cold climate may result in freezing and thawing and ice wedging, and he fastest weathering occurs in hot and wet climates. |
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