G3_M2_L8_MOON_101

When was the moon formed?

• About 5 billion years ago
• Around 2 billion years ago
• Around 4.5 billion years ago

• Approximately 3 billion years ago

Some scientists think that the moon was formed by ​ (a)   that began to ​ (b)   Earth after Earth collided with a smaller planet.

• debris
• orbit
• gas, rotate
• rocks, float
• ice, crash

The moon's surface used to be covered in what?

True or False: The same side of the moon faces Earth at all times.

• True

• False

What was the name of the space flight that resulted in the first moon landing?

• Gemini 8
• Apollo 12
• Apollo 11
• Voyager 1