Chapter 29.2

Question 1

time zone

Answer 1

is an area 15 degrees wide in which the time is the same

Question 2

rotation

Answer 2

is the spinning of Earth in its axis an imaginary line drawn from Earth’s north pole and south pole

Question 3

revolution

Answer 3

is the motion of Earth in an elliptical orbit around the sun

Question 4

ecliptic

Answer 4

is defined as the plane of Earth’s orbit around the sun

Question 5

solstice

Answer 5

occurs when Earth’s rotational axis is tilted directly toward the sun or away from the sun

Question 6

equinox

Answer 6

Earth’s rotational axis is perpendicular to a line drawn from the center of Earth to the center of the sun

Question 7

who devised a method of timekeeping around 3000 B.C.?

Answer 7

babylonians

Question 8

what was the symbol for degree taken home?

Answer 8

the babylonian symbol for the sun

Question 9

how many degrees does the earth spin in one day?

Answer 9

360 degrees

Question 10

how many hours does it take the earth make one full rotation?

Answer 10

24 hours

Question 11

how many degrees does the earth spin in one hour?

Answer 11

15 degrees

Question 12

what direction does the sun rise?

Answer 12

east

Question 13

what direction does the sun set?

Answer 13

west

Question 14

True or false. All time zones are the exact same time?

Answer 14

false, they are modified to fit around cities, states, and country and other key sites

Question 15

how many time zones are there in the world?

Answer 15

24 time zones

Question 16

which direction do you move to add hours to the time?

Answer 16

east

Question 17

which direction do you move to subtract hours from the time?

Answer 17

west

Question 18

how many time zones are there in the United States?

Answer 18

6 time zones

Question 19

what are the names of the time zones?

Answer 19

• Mountain time zones
• Eastern time zone
• Pacific timezone
• Alaskan time zone
• Central time zone
• Hawaiian time zone

Question 20

what is a solar day?

Answer 20

the earth’s rotation from the sun in the sky from noon one day to noon the next day

Question 21

what is a sidereal day?

Answer 21

when a certain star rises above the horizon until that same star rises again

Question 22

what are the two main reasons for seasons?

Answer 22

the axis tilt and how close earth is to the sun

Question 23

which 2 seasons have a solstice?

Answer 23

• summer

- winter

Question 24

which month is the summer solstice?

Answer 24

June

Question 25

which month is the winter solstice?

Answer 25

December

Question 26

which two seasons are equinoxes?

Answer 26

• spring

- fall

Question 27

which month is the spring equinox?

Answer 27

march

Question 28

which month is the fall equinox?

Answer 28

September

Question 29

when is the longest day of the year?

Answer 29

during the summer solstice

Question 30

when is the shortest day of the year?

Answer 30

during the winter solstice

Question 31

when are the days almost 12 hours of day and 12 hours of night?

Answer 31

during the spring equinox and during the fall equinox