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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 combined 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 is caused by ---------- which is rain combined with pollutants. | acid rain |
| Some plants produce acids that result in ---------- weathering | chemical |
| The factors that determined the rate of weathering 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 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 a 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 occurs due to release of pressure is ----------- | 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 the plant roots and animal activity results in? | mechanical |
| What is the agent of mechanical weathering called in which rock is worn away by the grinding action of the 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 |
| What is ice wedging? | process were water freezes in wedges to brake apart rock |
| What is uniformitarianism? | the same process that happened |
| Why does a permeable rock weather easily? | it has tiny air spaces that allows to seep into the rocks |
| What can scientists infer from the rounded shape of the Appalachian Mountains? | they are older |
| A marble statue is left exposed to 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 it expands |
| Explain how oxygen causes chemical weathering. | oxygen mixes with water to form oxidation |
| For hundreds of years, an ancient statue has been kept outdoors in a country with a dry, mild climate. A U.S. city bought the statue and placed it outdoors in a park. The city has hot rainy summers, freezing winter temperatures, and air pollution from th | Some of the reasons why the statue may weather is because of the pollution. |
Created by:
jazzy25
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