Unit Nine - Astronomy - Moon

Question 1

Definition of Moon

Answer 1

A body that orbits a planet or asteroid as they orbit the Sun

Question 2

How long is the Moon’s elliptical orbit?

Answer 2

Orbit the Earth - 27.3 Days
Complete Phase Cycle - 29.5 Days

Question 3

Definition of Crescent Moon

Answer 3

The phase that is between a Half Moon and a New Moon or a New Moon and a Half Moon.

Question 4

Definition of Full Moon

Answer 4

Phase that appears as an entire circle in the sky.

Question 5

Definition of Gibbous Moon

Answer 5

Phase that is between a Half and Full

Question 6

Definition of New Moon

Answer 6

Phase where no part is visible in the sky.

Question 7

Definition of Waxing Moon

Answer 7

When the moon increases in size (or where the light appears to the right part of the moon)

Question 8

Definition of Waning Moon

Answer 8

When moon decreases in size (or where the light appears to the left part of the moon)

Question 9

What is the definition of the solar eclipse?

Answer 9

When the moon is in between the Earth and the Sun, blocking the Sun.

Question 10

What is the definition of a lunar eclipse?

Answer 10

The Moon moves into the Earth’s shadow, causing the Moon to be darkened

Question 11

What phases will the moon be in an eclipse?

Answer 11

New Moon - Solar Eclipse
Full Moon - Lunar Eclipse

Question 12

What is the Umbra?

Answer 12

1. The cone - shaped region
2. Complete shadow/darkness in an eclipse.

Question 13

What is the Penumbra?

Answer 13

The region in which only a partial shadow/darkness in an eclipse.

Question 14

What is Synchronous Rotation?

Answer 14

The rate of rotation is the same as the rate of revolution
Earth will always see the same side of the moon

Question 15

What are the 8 Phases of the Moon?

Answer 15

1. New Moon (Solar Eclipse)
2. Waxing Crescent
3. FIrst Quarter
4. Waxing Gibbous
5. Full Moon (Lunar Eclipse)
6. Waning Gibbous
7. Third Quarter
8. Waning Crescent

Question 16

What are High Tides (3)?

Answer 16

1. Moon’s Gravitational Pull
2. Forces Earth’s water to Bulge Out
3. Towards the Moon and the Opposite Direction

Question 17

When do High Tides and Low TIdes alternate?
Why?

Answer 17

1. Every Six Hours
2. Earth Rotates

Question 18

What are Spring Tides

Answer 18

1. High Tide Reaches Highest Point
2. Moon and the Sun are Aligned, increasing the Gravitational Pull

Question 19

What are Neap TIdes

Answer 19

1. Moon is 90 degrees (1st & 3rd Quarter) from the Sun
2. High Tide from the Moon is Overlapping with the Low Tide from the Sun
3. Higher Low Tide & Lower High Tide