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Rocks and Weathering
Questions to review
| Question | Answer |
|---|---|
| Some plants produce acids which result in ____________________ weathering. | chemical |
| A rock that contains tiny, connected space 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 _______ | climate, type of rock |
| Acid rain cause 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 is __________________. | oxygen |
| The type of weathering that occurs due to release of pressure is _____________ weathering. | mechanical |
| Plant roots that force cracks in rocks father apart are 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 in color? | oxygen |
| What may the growth of plant roots and animal activity result in? | mechanical |
| 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? | hot |
| What kind of weathering causes the mineral composition of rocks to change? | chemical |
| What type of climate causes weathering to happen rapidly? | hot |
| What is ice wedging? | water freezes in rock and acting like a wedge to break apart. |
| What is uniformitarianism? | the same process that happened int he past happening today. |
| Why does a permeable rock weather easily? | it has tiny air space that allows water to seep into the rock. |
| What can scientists infer from the rounded shape of the Appalachian Mountains? | they have been weathering for many years. |
| 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 causes mechanical weathering. | when water freezes in a crack in a rock, it expands and makes the crack bigger .then it thaws and freezes again. |
| Explain how oxygen causes chemical weathering. | iron combines with oxygen and water to form chemical weathering (oxidation) |
| Predict how the city's climate will affect the weathering of the statue. | the pollution and wet climate cause acid rain.the hot/cold climate may result in freezing and thawing and ice wedging.fastest weathering occurs in hot/wet climates. |
Created by:
CamrenIsReal
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