Chapter 29.2

Question 1

Who devised a method of timekeeping around 3000 B.C.

Answer 1

Babylonians

Question 2

What was the symbol for degree taken from?

Answer 2

from the sun

Question 3

How many hours does it take the earth spin in one day?

Answer 3

360 degrees

Question 4

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

Answer 4

24 hours

Question 5

How many hours does the earth spin in one hour?

Answer 5

15 hours

Question 6

What direction does the sun rise?

Answer 6

East

Question 7

What direction does the sun set?

Answer 7

West

Question 8

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

Answer 8

False

Question 9

False, they are modified to fit around cities, state, and country borders, and other key sites?

Question 10

How many time zones are there in the world?

Answer 10

24 time zones

Question 11

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

Answer 11

East

Question 12

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

Answer 12

West

Question 13

How many time zones are there in the United States?

Answer 13

4

Question 14

What are the names of the time zones?

Answer 14

Atlantic/Alaskan time zone
Pacific time zone
Mountain time zone
Central time zone
Eastern time zone

Question 15

What is a solar day?

Answer 15

see the sun at noon 1 day, to noon the next day

Question 16

What is a sidereal day?

Answer 16

see on star one night, then the same star the next night

Question 17

What are 2 main reasons for seasons?

Answer 17

the tilt of the axis and the revolution

Question 18

Which 2 seasons have a solstice?

Question 19

Which month is the summer solstice?

Answer 19

June 21st

Question 20

Which month is the winter solstice?

Answer 20

December 21st

Question 21

Which 2 seasons are equinoxs?

Answer 21

winter and summer

Question 22

Which month is the spring equinox?

Answer 22

March 21st or 22nd

Question 23

Which month is the fall equinox?

Answer 23

September 22nd or the 23rd

Question 24

When is the longest day of the year?

Answer 24

summer solstic, June 21st

Question 25

When is the shortest day of the year?

Answer 25

winter, December 21st

Question 26

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

Answer 26

Spring/Fall equinox, March 21st or 22nd,