chapter 29

Question 1

time zone

Answer 1

an area of 15 degree in which time is the same

Question 2

rotation

Answer 2

the spinning of earth on its axis

Question 3

revolution

Answer 3

the motion of the earth in an elliptical orbit

Question 4

elliptic

Answer 4

plane of earths orbit around the sun

Question 5

solstice

Answer 5

earths direction axis is tilted directly towards the sun or directly away

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 the 3000bc

Answer 7

Babylonians

Question 8

what was the symbol for degrees taken from

Answer 8

symbol of the sun

Question 9

how many degrees downs the earth spin in one day

Answer 9

360

Question 10

how many hours does it take for earth to make one full rotation

Answer 10

24

Question 11

how many degrees does the earth spin in one hour

Answer 11

15 degrees

Question 12

what direction doe the sun rise

Answer 12

east

Question 13

what direction does the sun set

Answer 13

west

Question 14

true or false . all the time zones are exactly the same size

Answer 14

false

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

east

Question 17

which direction do you move to subtract hours from the time

Answer 17

west

Question 18

how many time zones are in the US

Answer 18

6

Question 19

what are the names of the time zones

Answer 19

eastern daylight time, central daylight time, mountain daylight time pacific daylight time, Alaska/atlantic daylight time, Hawaii daylight time

Question 20

what is a solar day

Answer 20

sun directly above us at Noon then in the same spot next noon

Question 21

what is a sidereal day

Answer 21

the time for earth to rotate relative to the stars

Question 22

what are the two main reasons for seasons

Answer 22

earth tilt and revolution

Question 23

which 2 season have a solstice

Answer 23

winter and summer

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

fall and spring

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 n the year

Answer 29

summer solstice

Question 30

when is the shortest day in the year

Answer 30

winter solstice

Question 31

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

Answer 31

march and September equinox

Question 32

tide

Answer 32

a rise or fall in the ocean surface

Question 33

moon phase

Answer 33

reflects the change in appearance of the moon as seen from the earth

Question 34

solar eclipse

Answer 34

occurs when the moon moves directly infront of the sun blocking its light from reaching earth

Question 35

lunar eclipse

Answer 35

occurs when the earth passes directly in between the sun and the moon

Question 36

Maria

Answer 36

are the dark colored flat lava filled areas of the surface of the sun

Question 37

regolith

Answer 37

a layer of dusty lunar material produced by collisions

Question 38

How many days does it take the moon to revolve around the earth

Answer 38

27.3

Question 39

a complete lunar phase takes 29.5 days what is it called

Answer 39

synodic month

Question 40

what causes a tide to rise or fall

Answer 40

grav pulls from the moon and the sun

Question 41

what is the rise of sea level called

Answer 41

high tide

Question 42

after the sea level riss how many hours does it take for the sea level to drop

Answer 42

6 hours

Question 43

which is further from earth the sun or the moon

Answer 43

sun

Question 44

does the moon or the sun cause a greater effect on earths tide

Answer 44

equal

Question 45

how are the sun the earth and the moon aligned for spring tide

Answer 45

the sun the earth and the moon are in a straight line

Question 46

how are the sun the earth the moon aligned for a neap tide

Answer 46

in an L shape

Question 47

what does the phase of teh moon you see depend on

Answer 47

the earth moon and suns location depending on eachother

Question 48

when does an new moon occur

Question 49

how many phases of the moon are there

Answer 49

8

Question 50

what is the definition of waxing phases

Answer 50

the illuminations of the moon appears larger each night

Question 51

what is the definition of waning phases

Answer 51

illuminations appears to get smaller

Question 52

what are the moon phases names

Answer 52

1st quarter waxing crescent new waning crescent 3rd quarter waning gbbous full waxing gibbous

Question 53

where is the word month derived from

Answer 53

the word moon

Question 54

how is the earth moon and sun aligned for a solar eclipse

Answer 54

sunlight is blocked by the moon from reaching earth

Question 55

how is the earth moon and sun aligned for a solar eclipse

Answer 55

sunlight is blocked by the moon from reaching earth

Question 56

what is an umbra

Answer 56

the shadow caused by an eclipse

Question 57

what is a penumbra

Question 58

how is the earth moon and sun aligned during a lunar eclipse

Answer 58

the earth blocks sunlight from reaching the moon

Question 59

how are the depressions on the moon formed

Answer 59

asteroids

Question 60

are there mountains on the moon

Answer 60

yes

Question 61

which side of the moon is thicker

Answer 61

farside`

Question 62

is the mantle of the moon a solid or a iquid

Answer 62

solid

Question 63

what did the clementine spaceship do

Answer 63

confirmed the thickness of the crust of the moon

Question 64

what did the lunar prospector do

Answer 64

took photographs of the surface small iron rich ore and there is water ice on the moon

Question 65

what is the giant impact theory