Solar System 4th Grade

What shape of the moon is when you can see more than half on the lit side, but not all of it?

• full moon
• gibbous
• crescent
• new moon

Earth and the other planets closest to the Sun are made mostly of _______

• gas
• metal
• water
• rock

Earth's ________ on its axis causes day and night.

• rotation
• revolution
• phase
• comet

One complete orbit of Earth moving around the sun takes one year. This is called

• revolution
• rotation
• mare
• umbra

The path on object takes as it moves around another object is called

• revolution
• rotation
• orbit
• mare

Where does the moon get its light?

• sun
• planets
• other stars
• itself

In this portion of the lunar phases the moon appears to be shrinking

• waning
• waxing
• umbra
• penumbra

In this portion of the lunar phases the moon appears to be growing

• waxing
• waning
• umbra
• penumbra

How long does it take for the Earth to revolve around the sun?

• 24 hours
• one month
• 365 days
• two years

How long does it take for the Earth to rotate one complete time?

• 24 hours
• 28 days
• 1 month
• 365 days