SES 4U Planetary Science/Astronomy

Approximately how much time passes between the new moon and full moon?

• one month
• two weeks
• 3 days
• 24 hours

How long does it take the moon to complete an orbit around Earth?

• 23 days
• 29 days (1 month)
• 2 weeks (half a month)
• 365 days (a year)

The Moon orbits Earth in a ________________ direction

• clockwise
• counterclockwise
• upwards
• downwards

Dark flat areas on the moon made from lava flows 3 to 4 billion years ago.

• crater

• mare

• highland

• mountains

Light colored surface features on the moon that were created by material that was ejected from meteoroid impacts.

• craters

• highlands

• mare

• maria

The age of the moon is about...

• 4.5 billion years old

• 3.5 billion years old

• 2.5 billion years old

• 5.5 billion years old

a celestial body orbiting around a planet or star.

• satellite
• sun
• moon
• crater

What fraction of the Moon is illuminated by the sun?

• 1/4
• 1/2
• 1/8
• 1/6

Craters on the Moon go undisturbed because:

• there is no gravity on the Moon
• there is no water on the Moon
• there is no sound on the Moon
• there is no atmosphere on the Moon

An imaginary axle that a planet spins on

• horizon
• axis
• the tilt of the planet
• altitude