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

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

Aglacier Bcirque Cdrumlin Dfjord

3) Where do glaciers form

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

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

Aplucking Btill Cabrasion Dwastage

5) One characteristic of glacial movement is that

Anew snowfall accumulates in a zone at the bottom of the glacier Bthe movement depend on the balance between accumulation and wastage Cthe zone of wastage is at the top of the glacier 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 very flat part, on the very right of the picture Bthe layer below the surface Cthe glaciers part, on the very left of the picture Dbetween the flat part to the right and the glacier to the left

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

Akettle lakes Bdrumlins Ckames Deskers

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

Aclimate changes Bworldwide changes in sea level Cextinction of the dinasaurs Dchanges in river drainage

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

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

10) In the desert, ephemeral streams

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

*select an answer for all questions

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