ch 29.3

Question 1

a rise or fall in the ocean surface

Answer 1

tide

Question 2

reflects the change in appearance of the moon

Answer 2

moon phase

Question 3

the moon directly moves between the sun and the earth

Answer 3

solar eclipse

Question 4

the earth passes between the sun and the moon

Answer 4

lunar eclipse

Question 5

the dark colored, flat, lava filled regions on the moons surface

Answer 5

Maria

Question 6

a layer of dusty lunar material created by collisions between astroids

Answer 6

regolith

Question 7

How many days does it take the moon to revolve around the Earth?

Answer 7

27.3 days

Question 8

A complete lunar phase cycle takes 29.5 days, what is this called?

Answer 8

29.5 days (synodic month)

Question 9

do we ever see the back side of the moon?

Answer 9

no

Question 10

what causes the tide to rise or fall?

Answer 10

gravitational pull by the sun and the moon

Question 11

what is the rise of sea level called?

Answer 11

high tide

Question 12

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

Answer 12

about 6 hours

Question 13

which is father away from the earth the sun or the moon?

Answer 13

the sun

Question 14

does the moon or the sun cause a greater effect on earth’s tide?

Answer 14

moon

Question 15

how are the sun, the moon, and the earth aligned for a spring tide?

Answer 15

straight line

sun earth moon

Question 16

how are the sun, the moon, and the earth aligned for a neap tide?

Answer 16

90 degree angle

sun earth moon

Question 17

what does the phase of the moon you see depend on?

Answer 17

the positions of the moon the sun and the earth relative to each other

Question 18

when does a new moon occur?

Answer 18

when the moon is between the sun and earth

Question 19

how many phases of the moon are there?

Answer 19

eight phases

Question 20

what is the definition of waxing phases?

Answer 20

the illuminated portion of the moon that we see appears lager each night

Question 21

what is the definition of waning phases?

Answer 21

the illuminated portion of the moon that we see becomes smaller each night

Question 22

what are the moon phase names?

Answer 22

new moon, waxing crescent, 1st quarter, waxing gibbous, full, waning gibbous, 3rd quarter, waning crescent

Question 23

where is the word month derived from?

Answer 23

moon

Question 24

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

Answer 24

sun moon earth

Question 25

what is an umbra?

Answer 25

the darkest portion of the moons shadow

Question 26

what is a penumbra?

Answer 26

the lightest portion of the moons shadow

Question 27

how is the sun, the moon, and the earthed aligned for a lunar eclipse?

Answer 27

sun earth moon

Question 28

how are the depressions on the moon formed?

Answer 28

asteroids, comets, and meteorites

Question 29

are there mountains on the moon?

Answer 29

yes

Question 30

which side of the moon is thicker?

Answer 30

the side facing away from earth

Question 31

is the mantel of the moon a solid or a liquid?

Answer 31

solid

Question 32

what did the clementine spacecraft do? (two things)

Answer 32

confirmed the thickness of the moon and

provided information on the mineral content

Question 33

what did the lunar prospect do? (three things)

Answer 33

took photographs of the surface
confirmed the moon has a small iron rich core
confirmed the presence of water on the moon

Question 34

what is the giant impact theory?

Answer 34

it was thought to be that a mars sized object collided with earth and sent debris out in to orbit the debris condensed forming a large mass called the moon