6.3 Formation of the Moon [Mastery check]

The Moon most likely formed from an impact of a Mars-size object with early Earth.

• True

• False

Tags

NGSS.MS-ESS1-1

Which of the following best describes the widely accepted theory for the formation of the moon:

• An asteroid flew into Earth's gravitational field and was caught and trapped.

• An asteroid roughly the size of mars smashed into Earth and cleaved off a large section of debris. The debris condensed into the moon.

• The moon formed as simultaneously with the Earth as planetesimals smashed together to created the Earth-Moon system.

• There is no accepted theory for the formation of the moon. No one has any idea how it got there.

• The moon is actually a large alien space ship that monitors human technological progress

How old is the moon?

• 13.7 billion years
• 4.53 billion years
• 93 million years
• 238,000 years

How was the moon formed?

• The moon has always been there

• Giant impact

• Capture of an asteroid

• A great wizard magically made it

Tags

NGSS.HS-ESS1-6

How old is our solar system?

• 4.6 billion years
• 13.8 billion years
• 6,000 years
• 15,000 years

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-6

The moon is made of ...

• Carbon
• Cheese
• Dust
• Rock

Tags

NGSS.MS-ESS1-1

NGSS.MS-PS1-1

The collision theory suggests that an object called Theia collided with Earth. Which of these planets is closest in size to Theia?

• Earth

• Moon

• Venus

• Mars

The collision theory for the formation of the Moon describes an object the same size as Mars. What was this object?

• an asteroid

• a newly formed star

• a newly formed planet

• a comet from outside the Solar System

Tags

NGSS.HS-ESS1-6

The collision theory is a theory of how the Moon was formed. It refers to a collision that happened relatively soon after the formation of the ...?

• universe

• Solar System

• Milky Way

• Moon

Which evidence supports the collision theory?

• The Moon has a small iron core, similar to the Earth

• Venus has no moon

• The Moon is Earth's only permanent natural satellite

• The surface of the Earth does not appear to ever have been molten

Tags

NGSS.HS-ESS1-6