Three Stages of Glacial Erosion

Date: 2015-10-07; view: 514.

N O P Q R S T U V W X Y Z

A B C D E F G H I J K L M

Typical Longitudinal Section

Rock Surfaces

Rocksurfacesdisplayflutingstriationandpolishingeffectsofglacialerosiontheformanddirectionofthesegroovescanbeusedtoshowthedirectioninwhichtheicemoved.

B. Copy according to the code below:

20-25-16-9-3-1-12 12-15-14-7-9-20-21-4-9-14-1-12 19-5-3-20-9-15-14 15-6 1

22-1-12-12-5-25 7-12-1-3-9-5-18 19-8-15-23-19 9-20-19 19-20-18-21-3-20-21-18-5 1-14-4 9-20-19 16-18-15-6-9-12-5 15-6 2-5-4-18-15-3-11.

19-21-18-6-1-3-5 9-3-5 9-19 2-18-9-20-20-12-5 2-21-20

21-14-4-5-18-12-25-9-14-7 9-3-5 3-18-25-19-20-1-12-19 2-5-14-4

19-8-5-1-18 1-14-4 7-12-9-4-5 3-1-21-19-9-14-7 9-3-5 20-15

6-12-15-23 2-25 4-5-6-15-18-13-1-20-9-15-14.

1 2 3 4 5 6 7 8 9 10 11 12 13

14 15 16 17 18 19 20 21 22 23 24 25 26

C. Copy the sentences:

1. Trehe gstaes of lglcaia roieonsrae uillsratted aoveb, snhowig monutain ocutnry efobre, gduinr, dan tafer aglatciion.
2. Glsacrie tcu U-sahepd lyvales, mogifydin nad denepegin het intnerlockig patetrn of earelir meaneridng rirve esroion.

2. filling in the missing letters in the following words:

1. The v----ys are str----tened and trunk---d by ice f--w.
2. T-------y hanging va----- develop w---e the rate of ----ion by -----tary gl----rs is l-wer than t--t of the gla---- in the m--n --lley.

3. putting the words in the right word order according to the Russian version:

1. Когда льды отступают, водопады текут из них к главной долине.

flow/ the/ ice/ them/ retreats/ out/ valley/ as/ of/ the/ main/ into/ waterfalls.

Exercise 7. Listen to the text “Horns, Aretes, and Cirques” twice and decide true or false are the following statements:

1. Horns, aretes, and cirques are all products of volcanic activity.

2. Horns are sharp peaks.

3. Aretes are formed when headward erosion of several glaciers intersect.

4. Laurentian Shield in Canada is smoothed by the continental glaciers.

5. Cirques are below aretes and horned mountains.

6. Cirques are bowl-shaped mountains.

7. Tarns are often found in the cirques.