29.2

Question 1

time zone

Answer 1

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

Question 2

rotation

Answer 2

the spinning of earth on its axis an imaginary line drawn from earths north pole to its south pole

Question 3

revolution

Answer 3

the motion of earth in an elliptical orbit around the sun

Question 4

ecliptic

Answer 4

defined as the plane of earths orbit around the sun

Question 5

solstice

Answer 5

occurs when earths rotational axis is tilted directly toward the sun or away from the sun

Question 6

equinox

Answer 6

earths 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 from

Answer 8

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 to 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 size

Answer 14

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

Question 15

how many time zones are there in the world

Answer 15

24

Question 16

which direction do you move to add hours to the time

Answer 16

move 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, daylight ,eastern time, alaska, hawai, pacific,centeral

Question 20

what is a solar day

Answer 20

full rotation from noon to noon

Question 21

what is a sidereal day

Answer 21

one full rotation to looking at a specific star one night to the same star the next night

Question 22

what are the two main reasons for seasons

Question 23

which 2 seasons have a solstice

Question 24

which month is the summer solstice

Question 25

which month is the winter solstice

Question 26

which two seasons are equinoxes

Question 27

which month is the spring equinox

Question 28

which month is the fall equinox

Question 29

when is the longest day of the year

Question 30

when is the shortest day of the year

Question 31

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