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Ch 7

Test Description: Earth Science

Instructions: Answer all questions to get your test result.

1) Which of the following is true about ice sheets

Athey usually flow down valleys Bthey flow in all directions Cthey are the smallest type of glacier Dthey are found in high mountainous areas

2) A thick ice mass that forms over the land from the accumulation, compaction, and recrystallization of snow is a

Adrumlin Bfjord Cglacier Dcirque

3) Where do glaciers form

Aonly in high mountains Bonly at the poles Cin areas where more snow falls than melts Donly in oceans

4) The loosening and lifting of blocks by rock by glaciers is called

Awastage Babrasion Ctill Dplucking

5) One characteristic of glacial movement is that

Anew snowfall accumulates in a zone at the bottom of the glacier Bthe zone of wastage is at the top of the glacier Cthe movement depend on the balance between accumulation and wastage Dall glaciers, regardless of size, move at about the same rate

6) (in your book p 197 figure 12) Where is the outwash plain

Athe glaciers part, on the very left of the picture Bbetween the flat part to the right and the glacier to the left Cthe layer below the surface Dthe very flat part, on the very right of the picture

7) (in your book p 197 figure 12) What features were deposited by streams flowing in tunnels beneath the ice

Adrumlins Bkames Ckettle lakes Deskers

8) Which of the following is NOT an effect that Pleistocene glaciers had on the landscape

Aclimate changes Bextinction of the dinasaurs Cworldwide changes in sea level Dchanges in river drainage

9) Which of the following features was formed by glacial erosion

Athe Basin and Range Bthe Mississippi River Cthe Great Lakes Dthe Missouri River

10) In the desert, ephemeral streams

Aare actually stream beds that no longer carry water Bcarry water underground Crun continuously, although the amount of flow varies Drun only after it rains

*select an answer for all questions

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