Unit 6 Exam: Insolation
Date:
Name:
1.
2.
The hottest climates on Earth are located near the Equator because this region
A.
is usually closest to the Sun
B.
re ects the greatest amount of insolation
C.
receives the most hours of daylight
D.
receives the most nearly perpendicular insolation
The diagrams below represent Earth's tilt on its axis on four di erent dates. The shaded portion represents the
nighttime side of the Earth. Which diagram best represents the day on which the longest duration of insolation
occurs in New York State?
B.
A.
3.
C.
D.
The diagram below shows Earth as viewed from space on December 21.
The longest duration of insolation on December 21 will occur at
A.
90 N
B.
C.
30 N
page 1
30 S
D.
90 S
4.
The accompanying diagram shows the percentage of sunlight re ected by di erent Earth surfaces when the Sun is
directly overhead.
What material re ects the least sunlight?
A.
5.
forest
B.
C.
beach
ocean
D.
snow
Which graph best represents the duration of insolation during the year at the Equator.
A.
B.
C.
D.
page 2
Unit 6 Exam: Insolation
6.
7.
8.
Which statement best explains why the angle of insolation received at any Earth location changes in a cyclic
pattern throughout the year?
A.
The Sun's orbit around Earth is an ellipse.
B.
Earth's orbit around the Sun is an ellipse.
C.
The Sun rotates on a tilted axis while revolving around Earth.
D.
Earth rotates on a tilted axis while revolving around the Sun.
Which diagram best represents visible light rays after striking a dark, rough surface?
A.
B.
C.
D.
Which characteristics of a building material would provide the most energy-absorbing exterior covering for a house?
A.
dark colored and smooth textured
B.
dark colored and rough textured
C.
light colored and smooth textured
D.
light colored and rough textured
page 3
Unit 6 Exam: Insolation
9.
Base your answer(s) to the following question(s) on the diagram below, which shows the angle of the Sun's
noontime rays received at di erent Earth latitudes on May 1.
Which changes can be expected to occur at 45 N over the next 30 days?
A.
The duration of insolation will decrease and the temperature will decrease.
B.
The duration of insolation will decrease and the temperature will increase.
C.
The duration of insolation will increase and the temperature will decrease.
D.
The duration of insolation will increase and the temperature will increase.
page 4
Unit 6 Exam: Insolation
10.
Base your answer(s) to the following question(s) on the table and map below. The table shows the duration of
insolation, in hours, at Barrow, Alaska, on the twentieth day of each month during 2008. The map shows the
location of Barrow at 71 N 156.5 W.
Duration of Insolation
at Barrow, Alaska
Date
Jan 20
Feb 20
Duration of
Insolation
(h)
0
7.8
Mar 20
12.5
May 20
24
June 20
24
Aug 20
16.7
Sept 20
12.6
Oct 20
7.8
Dec 20
0
Apr 20
July 20
Nov 20
Barrow, Alaska
17.6
24
0
On the grid below, construct a line graph by plotting the data for the duration of insolation at Barrow for each
date shown on the data table. Connect the plots with a line.
Duration of Insolation at Barrow, Alaska
page 5
Unit 6 Exam: Insolation
11.
12.
In which diagram is the observer experiencing the greatest intensity of insolation?
A.
B.
C.
D.
Base your answer(s) to the following question(s) on the experiment description and diagram below.
A student was interested in how the angle of insolation a ects absorption of radiation. The student
took three black metal plates, each containing a built-in thermometer, and placed them at the same
distance from three identical lamps. The plates were tilted so that the light from the lamps created
three di erent angles of incidence with the center of the plates, as shown in the diagram. The starting
temperatures of the plates were recorded. The lamps were turned on for 10 minutes. Then the nal
temperatures were recorded.
Explain why the metal plate at a 90 angle of incidence had a nal temperature higher than the other two plates.
page 6
Unit 6 Exam: Insolation
13.
Which diagram best represents the direction of convection currents around the burning wood of a camp re?
A.
14.
C.
D.
A barefoot student steps on a hot concrete surface. Most of the heat transferred to the student's skin by this
contact is by the process of
A.
15.
B.
convection
B.
C.
conduction
vaporization
D.
radiation
The accompanying map shows four locations in a temperature eld. The temperature of each location is given in
degrees Celsius.
Heat energy will normally ow from
A.
A to B
B.
C.
A to C
page 7
B to D
D.
D to C
Unit 6 Exam: Insolation
16.
The accompanying diagram shows the heating of water.
The main method of heat transfer occuring within the water is called
A.
17.
conduction
B.
C.
convection
radiation
insolation
Base your answer(s) to the following question(s) on the Earth Science Reference Tables and your knowledge of
Earth science.
What is the approximate wavelength of infrared radiation given o
A.
18.
D.
10
10 m
B.
10
8m
C.
10
by the Earth's surface?
4m
D.
10
2m
In which list are the forms of electromagnetic energy arranged in order from longest to shortest wavelengths?
A.
gamma rays, x rays, ultraviolet rays, visible light
B.
radio waves, infrared rays, visible light, ultraviolet rays
C.
x rays, infrared rays, blue light, gamma rays
D.
infrared rays, radio waves, blue light, red light
page 8
Unit 6 Exam: Insolation
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Unit 6 Exam: Insolation
XXXX-XX-XX
1.
Answer:
D
15.
Answer:
A
2.
Answer:
B
16.
Answer:
B
3.
Answer:
D
17.
Answer:
C
4.
Answer:
C
18.
Answer:
B
5.
Answer:
C
6.
Answer:
D
7.
Answer:
C
8.
Answer:
B
9.
Answer:
D
10.
Answer:
11.
Answer:
12.
Answer:
D
The 90 angle plate received more
intense radiation. It received the most
concentrated/more direct rays. It absorbed
the most light. It re ected the least
amount of light.
13.
Answer:
D
14.
Answer:
B