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Moon/Quiz

This image shows the variations in the lunar gravity field as measured by NASA's Gravity Recovery and Interior Laboratory (GRAIL) during the primary mapping mission from March to May 2012. Credit: NASA/JPL-Caltech/MIT/GSFC.

Moon is a lecture about a rocky astronomical object in orbit around Earth.

This is a quiz based on lecture.

Your are free to take this quiz at any time.

To improve your score, study the lecture and its links: See also, External links and {{Astronomy resources}}.

Suggestion: Have the lecture available in a separate window.

Take the quiz as often as needed to improve your score, increase your familiarity with the subject, and improve your test-taking skills.

Enjoy learning by doing!

QuizEdit







  

1

Yes or No, The Moon's average radius (distance from its centre to its surface) is 1,737.4 km), about 27% of the radius of Earth.

Yes
No

2

Complete the text:

Match up the letter for the object name the radio or radar image below:
Sun - A
Mercury - B
Venus - C
Earth - D
Moon (South Pole) - E
Moon (North Pole) - F
Moon (850 micron thermal emission) - G
Mars (North Pole cross section) - H
Toustatis - I
Jupiter - J
Saturn - K
Titan - L
Interstellar medium - M
Milky Way - N
3C 98 - O
3C 31 - P
3C 380 - Q
Moon (self radiation) - R
NGC 4151 - S
GRS 1915 - T
M87 - U
3C 279 - V
IRC+10216 - W
Boomerang nebula - X
R Sculptoris - Y

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3

Yes or No, The Moon's density is about 3.34 g/cm3, roughly 60% of Earth's density.

Yes
No

4

Complete the text:

Match up the letter of the spherical object with each of the possibilities below:
Sun - A
Mercury - B
Venus - C
Earth - D
Moon - E
Mars - F
Ceres - G
Jupiter - H
Callisto - I
Europa - J
Ganymede - K
Io - L
Enceladus - M
Titan - N
Uranus - O
Titania - P
Neptune - Q
Triton - R
Pluto - S

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5

Yes or No, Despite the Moon's relatively weak gravitational force, the Moon is close enough to Earth to produce tides in Earth's waters.

Yes
No

6

Complete the text:

Match up the violet or violet containing image with the object letter:
Sun - A
Venus - B
Earth - C
Moon - D
Mars - E
Jupiter - F
Ganymede - G
Io - H
Saturn - I
Dione - J
Titan - K
Uranus - L
Ariel - M
Miranda - N
Triton - O
Eta Carinae - P
NGC 5584 - Q

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7

Yes or No, The Moon is moving away from Earth at a speed of about 3.8 cm per year.

Yes
No

8

Complete the text:

Match up the item letter with each of the possibilities below:
Moon - A
Eros - B
Io - C
Ganymede - D
Europa - E
Titan - F
X-ray producing electric arc, current spots

reflecting solar X-rays

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soft X-ray emission

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possible soft X-ray emission

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synchrotron X-ray diffraction of methane hydrate up to 10GPa

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ordinary chondrite composition

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9

Yes or No, The Moon was formed from the same clump revolving around the Sun, or protosun, as the Earth was formed at the same time.

Yes
No

10

True or False, The Moon has an exosphere.

False
True


See alsoEdit

External linksEdit