Planet Earth seen from space

The moon, about a quarter the size of Earth, is comparable to Mercury in size. Its surface is composed of lava, dust, and rocks, formed by meteorite impacts. The moon lacks an atmosphere, resulting in no air or sound, and its dust remains undisturbed, preserving footprints for millions of years.

How does the size of the moon compare to Earth?

• It is the same size as Earth.

• It is about one-fourth the size of Earth.

• It is twice the size of Earth.

• It is about half the size of Earth.

Which planet is the moon nearly the size of?

• Mars

• Jupiter

• Venus

• Mercury

What primarily makes up the surface of the moon?

• Water and ice

• Lava, dust, and rocks

• Metal and glass

• Sand and gravel

What is absent on the moon that affects sound?

• Water

• Light

• Air

• Gravity

Why do footprints on the moon remain unchanged for millions of years?

• Due to the moon's high gravity

• Because there is no wind or water to disturb them

• Due to frequent meteor showers

• Because of the moon's strong winds