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edexcel gcse astronomy topic 2 the moon Flashcards | StudBud
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edexcel gcse astronomy topic 2 the moon
edexcel gcse astronomy topic 2 the moon
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#moon # 9-1 # edexcel # topic2 # moon
Flashcards
20 cards
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Questions
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Answers
1
Why were mountain ranges formed on the edges of the seas?
They were thrust up as the surface cooled and shrank
impacts from meteoroids
tectonic activity
larva seeping from cracks in the lunar surface
2
What is feature 7?
Coppernicus Crater
Keppler Crater
Tycho Crater
Apennine Mountains
3
What (approximate) angle is the Moon tilted at compared with its plane of orbit?
90 degrees
5 degrees
45 degrees
23.5 Degrees
4
What is feature 3?
Sea of Tranquility
Sea of Crises
Keppler Crater
Coppernicus Crater
5
What causes libration of lattitude?
the rotation of the Earth means the observer has moved postition
The changing speed of the moon's orbit
The tilt of the Earth compared with its orbital plane
The tilt of the Moon compared with its orbital path
6
What feature on the moon can you not see with the naked eye?
craters
footprints
Maria
terrae
7
What is a synchronous orbit?
When the Earth moon and sun are lined up
A very fast orbit
The orbital speed and the rotational speed are the same
A very slow orbit
8
Why do we only see one side of the moon?
The moon is flat
The moon's orbit is synchronous
The sun never shines on the other side
The moon is shy
9
What causes diurnal libration?
The changing speed of the moon's orbit
The tilt of the Earth compared with its orbital plane
the rotation of the Earth means the observer has moved postition
The tilt of the Moon compared with its orbital path
10
What is feature 4?
Keppler Crater
Tycho Crater
Ocean of Storms
Sea of Crises
11
Why did the Moon's surface have cracks for larva to seep through?
rain water dissolved the crust
It was very thin
it was made of glass
it was heavily bombarded by meteoroids
12
Which phases of the moon would be good for a series of observations?
full moon, half moon, waxing gibbous, waning crescent
half moon, full moon, new moon, waning gibbous moon
New moon, full moon, half moon, waxing crescent
half moon, new moon, waning crescent, waning gibbous
13
What is feature 2?
Keppler Crater
Apennine Mountains
Coppernicus Crater
Sea of Crises
14
What is feature 6?
Sea of Tranquility
Ocean of Storms
Apennine Mountains
Sea of Crises
15
What is feature 1?
Tycho Crater
Sea of Crises
Apennine mountains
Ocean of Storms
16
How are were the Lunar Terrae formed
larva seeps through the cracks in the Lunar surface
Mountain ranges were thrust upwards near the edges of the maria
by asteroid and meteroid collision
Formed early in the moon's history as the magma cooled and separated
17
What is feature 5?
Coppernicus Crater
Sea of Crises
Apennine Mountains
Keppler Crater
18
What is the ratio: mean diameter of earth / mean diameter of moon
9,500
3.7
0.26
16,500
19
how are craters formed on the moon?
Huge volcanic eruptions
Asteroid and Meteoroid collisions
The wind blows the dust around
Larva seeps out from cracks in the bombarded moon's surface
20
What causes libration in longitude?
the rotation of the Earth means the observer has moved postition
The changing speed of the moon's orbit
The tilt of the Earth compared with its orbital plane
The tilt of the Moon compared with its orbital path