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7.1 & mass movement
guided notes
| Question | Answer |
|---|---|
| erosion can be _____ or slow | fast |
| erosion moves ________ (rock particles and soil) | sediment |
| __________ is where erosion lays down sediment | deposition |
| agents of erosion: _______, running water, glaciers, waves, and _____ | gravity, wind |
| ________ moves rock and other materials ________. ( up or down a hill) | gravity, downhill |
| mass movement can be fast or ____ | slow |
| erosion and deposition both take place during a ____ ____________ event | mass movement |
| ___________ are the most destructive | landslides |
| in landslides, rock and ______ slides ________ (how fast does it move?) | soil, quickly |
| a __________ needs a steep slope | landslide |
| a ____________ is a mixture of rock, ______, and soil that moves rapidly _____________ | mudslide, water, downhill |
| A mudflow can occur on ________ slopes | Gentle |
| A mudflow often occurs in soil with lots of clay- why? | clay soaks up more water, not allowing vegetation to grow properly which loosens the soil. This causes the soil to erode easier and causes mudflow. |
| A _____ occurs when rock SUDDENLY slips down a slope in one mass | slump |
| a slump looks like someone pulled the bottom out from __________________ | underneath |
| a slump often occurs when _____ soaks into the bottom of soil that is rich in _____ | water, clay |
| a creep occurs when rocks move very ______ downhill | slowly |
| A _____ is so slow that you don't notice it, but you can see the effects in other objects | creep |
| the 4 types of mass movement are _______,____________,________, and _________ | slump, landslide, creep, and mudflow |
| _______- when sediment slips down a slope in one large mass | slump |
| __________- rocks and soil slide quickly down slope, most destructive. | landslide |
| ________- this can cause telephone poles to move or bend | creep |
| ______-a mixture of water, rock, and soil moves rapidly downhill | mudflow |
| what causes mass movement? | gravity |
| describe how three processes act together to wear down and build up Earth's surface | weathering and erosion produce sediment, erosion deposits the sediment, and deposition changes or shapes the land |
| what is the difference between a mudflow and a landslide? | the amount of water is greater in a mudflow than a landslide |
| the agents of erosion lay down sediment in new locations in a process called ______ | deposition |
| the material moved by erosion is called _______ | sediment |
| the process by which natural forces move weathered rock and soil from one place to another is called ________ | erosion |
| ____ _______________ includes several processes caused by gravity that move sediment downhill | mass movement |
Created by:
Giana.gabriel
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