Earth Science
Diurnal Temperature
1. Plot the following data
Hour
Temperature
1 AM
2
3
4
5
6
7
8
9
10
11
12 PM
1 or 13
2
3
4
5
6
7
8
9
10
11
12AM
50
48
46
43
40
38
43
47
51
56
61
64
70
73
76
77
76
74
73
68
65
60
56
50
Angle of the sun
0 degrees
0
0
0
2
10
20
30
40
50
60
70
60
50
40
30
20
10
3
0
0
0
0
0
Graphing
Click Excel
Column A… Temperature
Column B… Angle of the Sun
Tool Bar…Chart Wizzard
Dialogue Box….Chart Wizard
Click Custom types
Find Line-Column on 2-axis
Click Next
Series 1…type in Angle of Sun
Series 2…type in Temp
Click Next
Titles
Chart Title….Diurnal Temperature Change/Your Last Name
Category x-axis…type Hours (13=1 PM)
Value Y…type Angle
Second Value Y …type Temp
Analysis and Conclusion
1. At what time of day was the temperature the warmest?
2. At what time of day did the sun rise?
3. At what time of day did the sun set?
4. What is the greatest angle the sun reaches?
5. At what time of day is this angle reached?
6. Does the warmest time of the day occur when the sun is at its highest angle? Explain.
7. At what time of day is the temperature the coolest.
8. What happens to the temperature after sunrise?
9. Explain why the coolest part of the day is just before sunrise.
10. Explain the meaning of Diurnal Temperature Change.