4th-9 3W Moon Mysteries Vid-Quiz

What makes Earth's Moon unique compared to other moons in the Solar System?

• It has water.

• It is the largest moon.

• It has an atmosphere.

• It is the largest in relation to its host planet.

Why does the Moon have extreme temperature swings?

• Due to its elliptical orbit around Earth.

• Because it has a thin atmosphere.

• Due to its volcanic activity.

• Because of its close proximity to the Sun.

What is lunar regolith?

• Water ice found in lunar craters.

• A dusty blanket of material covering the lunar surface.

• The Moon's thin atmosphere.

• A type of rock found only on the Moon.

What is the main reason early timekeepers preferred lunar calendars?

• The Moon is brighter than the Sun.

• Lunar calendars are more accurate.

• Lunar cycles are easier to count.

• The Moon has a more predictable orbit.

What effect does the Moon have on Earth?

• It causes the ocean tides.

• It creates Earth's magnetic field.

• It generates Earth's atmosphere.

• It protects Earth from asteroids.

Which theory suggests the Moon was formed from the same material as Earth?

• Capture theory

• Fission theory

• Co-accretion theory

• Giant-impact theory

What does the giant-impact theory propose?

• The Moon was captured by Earth's gravity.

• A Mars-sized body collided with Earth to form the Moon.

• The Moon and Earth formed together.

• The Moon was once part of the Earth.

What did the lunar samples reveal about the Moon's formation?

• It was once covered by a deep ocean of lava.

• It has a large iron core like Earth.

• It formed independently of Earth.

• It is made entirely of cheese.

How long did it take for the material to coalesce into the Moon after the giant impact?

• 1 million years

• 100 years

• 4.5 billion years

• Less than a year

Moon is ​ ​ (a)   times smaller than the Sun, but also ​ (b)   times closer to Earth.​

• 400
• 200
• 100