Lesson 4 - The Moon Flashcards
(12 cards)
Approximately, how long does it take for the moon to orbit the earth?
Around 27 days
How does Venus appear when it is on the opposite side of the Sun to the Earth?
It looks full but small
How many phases does the Moon have?
8
The phases of the moon are split into 2 categories. What are they called?
4 primary and 4 secondary phases.
Name the 4 primary phases of the moon.
New Moon, First Quarter, Full Moon, Third Quarter
Name the 4 Secondary Phases of the Moon.
Waxing Crescent, Waxing Gibbous, Waning Gibbous, Waning Crescent
When does a Lunar Eclipse occur?
When the Earth coems in betweeen the Sun and the Moon
What is the penumbra?
The penumbra is the partially shaded outer region of the shadow cast by an opaque object.
What is the umbra?
The umbra is the fully shaded inner region of a shadow cast by an opaque object
What is the difference between the penumbra and umbra?
The penumbra is a partially shaded outer region, while the umbra is a fully shaded inner region. They are BOTH shadows.
When does a Solar Eclipse occur?
A solar eclipse occurs when the Moon blocks the Sun’s rays from shining on the Earth. It happens during the day with a new moon.
True or false - the moon takes 27 days to orbit the Earth
True
