Reading: The Formation of the Moon

What is the most widely accepted theory about the Moon's formation?

• Giant-Impact Theory

• Capture Theory

• Accretion Hypothesis

• Fission Theory

According to the Giant-Impact Theory, what was the name of the Mars-sized body that collided with early Earth?

• Theia

• Luna

• Titan

• Europa

What type of rock is widespread on the Moon's surface, supporting the existence of a deep magma ocean in its early history?

• Anorthosite

• Basalt

• Granite

• Limestone

Which of the following is NOT a theory mentioned in the passage about the Moon's origin?

• Nebular Hypothesis

• Capture Theory

• Accretion Hypothesis

• Fission Theory

What role does the Moon play in stabilizing Earth's orbit and climate?

• It reduces polar motion and maintains a stable climate.

• It increases Earth's rotation speed.

• It causes more frequent solar eclipses.

• It decreases Earth's gravitational pull.