Earth/Moon/Sun System Test

Tides are the cycle of rising and falling ocean water that repeats automatically every

• 24 hours
• 12.5 hours
• 25 hours
• 6.25 hours

What causes tides?

• Gravity of the Earth

• Gravity of the Moon

• Wind from the Earth

• Wind from the Moon

What term is associated with the moons that are increasing in size (more light on them) each day?

• Waxing moons

• Waning moons

• Crescent moons

• Gibbous moons

From where does the moon get its light?

• It reflects the Earth's light

• It reflects the other stars' light

• It reflects the Sun's light

• It makes its own light

About how long does it take the Moon to complete it's cycle?

• around 1 week

• around 1 month

• around 1 year

• around 1 day

As the moon's shape appears to get smaller, we say that the moon is _.

• swelling
• waxing
• waning
• disappearing

Which moon phase is when you can't see the moon at all?

• Waning crescent
• Full moon
• Waxing gibbous
• New moon

When the moon passes between the earth and the sun, this results in a.....

• Waxing moon

• lunar eclipse

• solar eclipse

• sun rise

What is the darkest inner part of the moon's shadow cone called, where a total solar eclipse can be viewed.

• corona

• Umbra

• Penumbra

• orbit

Which term describes the motion of the planets around the sun?

• rotation
• revolution
• completion
• galaxy