STUDENT RESPONSE PAGE
NAME__________________
HOW MANY LAKES?
ESTIMATE:
USING THE MAP ESTIMATE THE NUMBER OF SUBGLACIAL LAKES IN THE
IMAGE:
1.
2.
3.
4.
25-50
>50 BUT < 70
>70 BUT <300
>300
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Why would we use the mathematical tool of ‘estimating’ to answer this question?
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PERCENTAGE:
USING THE MAP USE PERCENTAGE TO EXPRESS HOW MUCH OF ANTARCTICA
IS SHOWN AS BEING BELOW SEA LEVEL:
1. 5 TO 10%
2. 20 TO 40%
3. 60-80%
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Why would we use the mathematical tool of ‘percentage’ to answer this question?
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Lamont-Doherty Earth Observatory
For more activities see: http://www.ldeo.columbia.edu/edu/polareducation/