P1.4.4 - The Moon Flashcards
Identify the moon phase:

Full Moon

The different shapes of the Moon are called its…
Phases
What is a lunar eclipse?
When the Earth passes between the Sun and the Moon.
How long does it take the moon to orbit the Earth once?
Approx 28 days
(27 days and 7 hours)
Identify the moon phase:

New Moon

Identify the missing label:

Umbra

What is the ‘umbra’ of a solar eclipse?
A place on Earth where you can witness a ‘total solar eclipse’
Where the suns rays are completely blocked out.
What is the ‘penumbra’ of a solar eclipse?
A place on Earth where only part of the suns rays are blocked.
You will only see a partial solar eclipse.
Identify the moon phase:

First Quarter

Identify the moon phase:

Waxing Gibbous

Identify the moon phase:

Waning Gibbous

Identify the moon phase:

Waning Crescent

Identify the moon phase:

Third Quarter

Why do we only ever see one side of the moon?
Because the moon spins at about the same speed as it orbits the Earth.
Therefore the same side is always pointing at Earth.
When the moon comes between the Sun and the Earth a
_________ ____________ happens
Solar Eclipse
What does this diagram show?

How a solar eclipse happens.

Identify the moon phase:

Waxing Crescent

Identify the missing label:

Penumbra

Why does the moon appear different over time?
Because only have of the Moon is ever lit.
Depending on where it is in its orbit it looks different.
What do we call it when the Earth blocks the light reaching the moon?
A lunar eclipse
Why do we not get a Solar Eclipse every time the Moon passes in front of the Earth?
The Moon is between the Earth and the Sun but does not block the light; so the orbit of the moon is tilted