Lab I Temperature Phenomena                             Name _______________________

                                                                                    Lab Section __________________ 

Place the answers to the questions listed below on this sheet and turn it in to your lab instructor.

General Questions

 

1.  True or false:  Convection is the transfer of heat through matter by molecular activity.

 

 

2.  True or false:  Infrared is a longer wavelength of energy than ultraviolet.

 

 

3.  True or false:  The earth emits shorter wavelengths of energy than the sun.

 

 

4.  True or false:  The atmosphere is heated directly by short-wave solar radiation.

 

 

 

Exercise 1 For each example below, calculate the albedo of the surfaces.  Rank the surfaces from 1 to 3, with 1 being the surface
with the warmest air temperature above it and 3 being the surface with the coolest air temperature above it.
 

Surface

Reflected Energy

Incoming Energy

Albedo

Rank

A

 25 units

550 units

 

 

 

B

378 units

421 units

 

 

 

C

452 units

739 units

 

 

 

 

Exercise 2Calculate the daily mean temperature and the daily range for each of the three cities below, which also appear on the
worksheet.  Rank the three cities from 1 to 3, with 1 being the most humid and 3 being the least humid.
 

City

Maximum

Temp.

Minimum

Temp.

Daily Mean Temp.

Daily Range

Rank

A

101

77

 

 

 

 

B

85

74

 

 

 

 

C

83

37