Phases, Eclipses and Tides

Question 1

Why does the moon have phases?

Answer 1

because it goes around the earth and they are caused by the changes of the positions of the Earth, Moon and Sun.

Question 2

True or False. The same side of the moon always faces the Earth.

Answer 2

True

Question 3

True or False. A day and a year on the moon are the same length.

Answer 3

True

Question 4

What causes the phases of the moon, eclipses and tides?

Answer 4

Moon goes around the earth and depending where the sun is the phase of the moon changes.
Tides are caused by the differences in how much the moons gravity pulls on different parts of the Earth.
Eclipse is when the moon’s shadow hits the Earth.

Question 5

phases

Answer 5

the different shapes of the moon you see from Earth.

Question 6

How often does the moon go through an entire set of phases?

Answer 6

29 1/2 days

Question 7

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

Answer 7

It depends on the sunlit side of the moon that faces the earth.

Question 8

What do you see in the New Moon, First quarter, full moon, and third quarter of the moon?

Answer 8

New Moon=the side of the moon facing earth is dark.
1st quarter= you can see half of the sunlit side of moon
Full Moon= you can see the entire sunlit side of moon
3rd quarter= you can see half of the moon sunlit side.

Question 9

Is the near side (facing earth) always the dark side?

Answer 9

No because the moon moves around the earth so it depends.

Question 10

What percentage of the dark side of the moon do you see during the 1st and 3rd quarters?

Answer 10

50%

Question 11

When the moon’s shadow hits earth or Earth’s shadow hits the moon, what occurs?

Answer 11

an Eclipse.

Question 12

What are 2 types of eclipses?

Answer 12

Solar eclipse and Lunar eclipse.

Question 13

The darkest part of the moon’s shadow is called ?

Answer 13

the Umbra

Question 14

what causes a solar eclipse?

Answer 14

The moon passes between the earth and the sun and blocks the sunlight from Earth.

Question 15

What is the larger part of a shadow, less dark than the umbra called?

Answer 15

Penumbra

Question 16

True or False. During a partial solar eclipse, part of the sun remains visible.

Answer 16

True

Question 17

True or False. During a total Solar eclipse the sky grows dark.

Answer 17

True

Question 18

What is the arrangement of earth , the moon, and the sun during a Lunar Eclipse?

Answer 18

the Earth is in the middle of the sun and Moon.

Question 19

True or False. A partial lunar eclipse occurs when the moon passes partly into the umbra of Earth’s shadow.

Answer 19

True.

Question 20

Tides

Answer 20

rise and fall of ocean water

Question 21

What force pulls the moon and Earth toward each other?

Answer 21

gravity

Question 22

why do tides occur?

Answer 22

They occur because of the force and gravity between earth and moon.

Question 23

What are is a spring tide?

Answer 23

They are the GREATEST difference between consecutive low and high tides.

Question 24

What is a neap tide?

Answer 24

a tide with the LEAST difference between consecutive low and high tides.

Question 25

What is the position of the moon in Spring tide?

Answer 25

straight line from the sun(New moon/Full Moon phase)

Question 26

What is the position of the moon in Neap tide?

Answer 26

Right angle from the sun (1st quarter/3rd Quarter phase)

Question 27

Lunar eclipse

Answer 27

occurs at a full moon when earth is directly between the moon and sun.

Question 28

Solar Eclipse

Answer 28

occurs when the moon passes between the earth and sun.

Question 29

A person standing in the moon’s……………….would see a partial solar eclipse.

Answer 29

penumbra

Question 30

A person standing in the moon’s…………………would see a total solar eclipse.

Answer 30

umbra