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Do Now:Work with partner. Sit back to back.One person will draw a dot on their Do Now sheet, That person will use words to describe the.position of the dot on their paper. The other person will draw the dot in the same position on their own Do Now sheet.
Rules
• No peeking
•You may not use anything other than words to describe the location of the dot.
•Do not look at the original dot until time is up even if you have drawn your own dot.
• You have 3 minutes.
Discussion
• What were some problems you had while doing this activity?
• What could have made this easier to accomplish?
• If we want to locate a place on earth, what information do we need to know?
Let’s Look at This Question:
How is latitude measured?
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0
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90
30
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01515
3045
6075
90105
120135
150165
180 3045
6075
90105
120135
150165
180
E
F
G
H
10
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20
20
0
30
40
50
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90
30
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01515
3045
6075
90105
120135
150165
180 3045
6075
90105
120135
150165
180
E
F
G
H
What is the latitude of each dot?
Let’s Look at This Question:
How is longitude measured?
10
10
20
20
0
30
40
50
60
70
80
90
30
40
50
60
70
80
90
01515
3045
6075
90105
120135
150165
180 3045
6075
90105
120135
150165
180
E
F
G
H
10
10
20
20
0
30
40
50
60
70
80
90
30
40
50
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80
90
01515
3045
6075
90105
120135
150165
180 3045
6075
90105
120135
150165
180
E
F
G
H
What is the longitude of each dot?
Let’s do some
plotting.
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10
20
20
0
30
40
50
60
70
80
90
30
40
50
60
70
80
90
01515
3045
6075
90105
120135
150165
180 3045
6075
90105
120135
150165
180
E
F
G
H
On the coordinate system, plot the coordinates given in your notes:
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20
20
0
30
40
50
60
70
80
90
30
40
50
60
70
80
90
01515
3045
6075
90105
120135
150165
180 3045
6075
90105
120135
150165
180
E
F
G
H
State the coordinates for each of the letters in the figure above:
BASED ON THE ____________
OF _______________
DemoDemo
Which diagram represents the approximate altitude of Polaris as seen by an observer located in Syracuse, New York?
BASED ON EARTH’S
EACH HOUR, EARTH ROTATES
(360°/24hrs)
Example: Two students record adifference in local time of twohours. How many degrees of longitude apart are they?
