Eclipses, Tides, etc.

Question 1

What are the three types of eclipses?

Answer 1

Solar, Annular, and lunar

Question 2

How does a solar eclipse happen?

Answer 2

When the moon comes in between the Earth and the Sun.

Question 3

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

Answer 3

The Umbra

Question 4

Where must you be to see a total solar eclipse?

Answer 4

In the Umbra

Question 5

How long does a solar eclipse last?

Answer 5

A few minutes

Question 6

What is the outer atmosphere of the sun called?

Answer 6

The corona

Question 7

What is the lighter shadow called

Answer 7

The penumbra

Question 8

Where must you be to see a partial eclipse?

Answer 8

In the penumbra

Question 9

Which part of the eclipse is experienced more: A partial or total eclipse. Why?

Answer 9

A partial one, since the penumbra is larger than the umbra.

Question 10

What happens in an annular eclipse?

Answer 10

The dark disc of the moon is surrounded by a ring of sunlight.

Question 11

What does annulus mean?

Answer 11

“ring” in latin

Question 12

What is the outer edge of the sun seen as during an annular eclipse?

Answer 12

Total eclipse/ring

Question 13

What is a lunar eclipse?

Answer 13

When the Earth comes in between the Moon and the Sun .

Question 14

What happens to the moon during a Lunar eclipse.

Answer 14

The Moon is in Earth’s shadow

Question 15

How does a total lunar eclipse occur?

Answer 15

The full moon is in Earth’s umbra

Question 16

Which part of the Earth sees a lunar eclipse?

Answer 16

The night side

Question 17

How does the moon appear different colors during a lunar eclipse?

Answer 17

The dust as well as the clouds in the atmosphere

Question 18

How does a partial lunar eclipse occur?

Answer 18

Part of the moon is within Earth’s umbra.

Question 19

How does a penumbral lunar eclipse occur?

Answer 19

The moon goes through the shadow of the Earth that is lighter.

Question 20

Why aren’t eclipses seen simultaneously all over the world?

Answer 20

Since the moon is only about 1/4 the size of the Earth. Therefore, the shadow being cast from it won’t cover the whole Earth; Just a part of it. During a lunar eclipse, only the night side of the Earth can see the Earth’s shadow on the moon.

Question 21

What half of the moon is always lit up by the sun?

Answer 21

The side that is facing the moon.

Question 22

How many lunar phases are there and what are they called? (know where they are and how to describe them)

Answer 22

8 lunar phases; New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third/last quarter, and waning crescent.

Question 23

Why does the moon experience phases?

Answer 23

Depending on the position of the Sun, Earth, and Moon, determines how much sunlight reflects off of the moon.

Question 24

True or false: The same side of the moon is always seen from Earth.

Answer 24

True

Question 25

How long does it take for the moon to orbit the Earth?

Answer 25

About 27.3 days.

Question 26

How long does it take for the moon to go through its phases?

Answer 26

29.5 days

Question 27

In which two ways can the two eclipses occur?

Answer 27

Total or partial (Be able to identify in a picture and describe them)

Question 28

How do tides happen?

Answer 28

The gravitational pull of the Moon and Sun against the Earth.

Question 29

How many high and low tides are there each day?

Answer 29

Two high and two low tides. This is due to the consistent time of moon rise and moon set, as well as the phases of the moon.

Question 30

Why is there a change between the high and low tides each day?

Answer 30

Due to the moons orbit around the Earth.

Question 31

Define Neap tide:

Answer 31

Smallest change in height from high tide to low tide. During this, the moon is at a right angle to Earth.

Question 32

Define Spring tide:

Answer 32

The Greatest change in height from high tide to low tide. The Sun, Earth, and Moon are all lined up.

Question 33

Define Umbra:

Answer 33

Darkest part of the shadow cast by the moon.

Question 34

Define Penumbra:

Answer 34

The lighter part of the Moon's shadow.

Question 35

How many lunar phases does the moon have?

Answer 35

8

Question 36

List the different phases of the moon: (Be sure to know what each phase looks like and the order in which they occur)

Answer 36

Third/last quarter, Waning gibbous, waxing gibbous, full moon, new moon, waxing crescent, waning crescent, First quarter.

Question 37

How long does each phase of the moon last?

Answer 37

About 3-4 days.

Question 38

How often do tides occur?

Answer 38

Every 12 hours, from high tide to high tide.

Question 39

How is the moon able to shine at night?

Answer 39

When the sun reflects off of the moon's surface.

Question 40

Explain the difference between a waning moon and waxing moon:

Answer 40

A waning moon has increasing darkness, while a waxing moon has increasing light.

Question 41

When does a spring tide occur?

Answer 41

When the Sun, Earth, and Moon are lined up.

Question 42

When does a neap tide occur?

Answer 42

During a first or third quarter moon.

Question 43

What type of moon does there have to be for a spring tide to occur?

Answer 43

full or new moon