Worksheet Chapter 3

Question 1

What is the name of line A-A’? Hint: The earth rotates on its

Answer 1

axis

Question 2

How many degrees is line A-A’ tilted from vertical?

Answer 2

23.5°

Question 3

What is the name of line B-B? ____

Latitude is:_____

Answer 3

_Arctic Circle__________________

_66.5°N____

Question 4

What is the name of line C-C’?___

Latitude is:___

Answer 4

Tropic of Cancer_

23.5°N__

Question 5

What is the name of line D-D’? _?________________

Latitude is:?

Answer 5

Equator

_0°_______

Question 6

What is the name of line E-E’?

Latitude is:

Answer 6

Tropic of Capricorn

23.5°S

Question 7

What is the name of line F-F’?

Latitude is:

Answer 7

Antarctic Circle

66.5°S

Question 8

On this diagram, the sun’s rays are perpendicular to the earth’s surface at latitude?

Answer 8

23.5°S

Question 9

What is the name of this latitude line that you provided in question #8?

Answer 9

Tropic of Capricorn

Question 10

The North Pole is experiencing 24 hours of darkness in this diagram? (yes or no)

Answer 10

yes

Question 11

The South Pole is experiencing 24 hours of sunlight in this diagram? (yes or no)

Answer 11

yes

Question 12

Analyzing your answers to questions #8-11, what is the exact date (month and day) for the earth-sun relationship shown in the above diagram?

Answer 12

December 21

Question 13

How many daylight hours will the Equator receive on the date represented in this diagram?

Answer 13

12 hrs

Question 14

How many daylight hours will Grand Forks, ND receive on the date represented in this diagram?

Answer 14

8 hrs

Question 15

. Today (September 7th), the sun’s rays are perpendicular to the earth’s surface:
a. somewhere between the Tropic of Cancer and the Equator

 b.  somewhere between the Tropic of Capricorn and the Equator

Answer 15

somewhere between the Tropic of Cancer and the Equator