Chapter 29.3

Question 1

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

Answer 1

27.3 days.

Question 2

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

Answer 2

a synodic month?

Question 3

Do we ever see the back side of the moon?

Answer 3

No.

Question 4

What causes a tide to rise or fall?

Answer 4

Gravitational pulls from the moon and sun.

Question 5

What is the rise of sea level called?

Answer 5

High tide.

Question 6

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

Answer 6

6 hours.

Question 7

Which is farther from Earth, the sun or the moon?

Answer 7

the Sun.

Question 8

Does the moon or the sun cause a greater effect on Earths tides?

Answer 8

the moon.

Question 9

How are the sun, the Earth, and the moon aligned for Spring tide?

Answer 9

Sun, Earth, and moon are aligned in a straight line.

Question 10

How are the sun, the Earth, and the moon aligned for a neap tide?

Answer 10

Sun, Earth, and moon are aligned in an L shape.

Question 11

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

Answer 11

The positions of the moon,Earth, and sun relative to one another.

Question 12

when does a new moon occur?

Answer 12

It occurs when the Moon is between the Earth and the sun.

Question 13

How many phases of the moon are there?

Answer 13

8.

Question 14

What is the definition of waxing phases?

Answer 14

When the illuminated portion that we see appears larger each night.

Question 15

What is the definition of waning phases?

Answer 15

The illuminated portion becomes smaller as he nights go on.

Question 16

What are the moon phase names?

Answer 16

New, waxing crescent, 1st quarter, waxing gibbous, full, waning gibbous, 3rd quarter, and waning crescent.

Question 17

Where is the word month derived from?

Answer 17

German word derives from the word moon.

Question 18

How is the Earth, moon, and sun aligned during a solar eclipse?

Answer 18

sun, moon, earth.

Question 19

What is an umbra?

Answer 19

an Area of total eclipse, darkest portion of shadow from moon on Earth.

Question 20

What is a penumbra?

Answer 20

partial eclipse. lightest part of shadow from moon on eart.

Question 21

How is the Earth, moon, and sun aligned during a lunar eclipse?

Answer 21

sun, earth, moon.

Question 22

How are the depressions on the moon formed?

Answer 22

meteorites, asteroids, and comets.

Question 23

Are there mountains on the moon?

Answer 23

Yes.

Question 24

Which side of the moon is thicker?

Answer 24

The far side.

Question 25

Is the mantle of the moon a solid or liquid?

Answer 25

Solid.

Question 26

What did the clementine spacecraft do?(2 things)

Answer 26

Confirmed the thickness of the moon and provided info of the mineral content of the moon rocks.

Question 27

What did the Lunar prospector do?(3 things)

Answer 27

Took photos of moons surface, confirmed small iron rich core of moon, and presence of water ice on the moon.

Question 28

What is the giant impact theory?

Answer 28

States a Mars sized object collided with Earth and debris was thrown into orbit which condensed into a large mass known as the moon.