Astronomy Mixed Review #2

How many days does it take Earth to complete one orbit around the sun?

• 24 hours or 1 day

• 365 days or 1 year

• 30 days or about 1 month

• 60 minutes or 1 hour

The seasons are caused by ___________.

• the moon's orbit around Earth.

• Earth's rotation around its axis.

• Earth's revolution and its tilt.

• Earth's rotation and its tilt.

All of the following are types of moon phases except _________.

• Gibbous Moon

• Crescent Moon

• Half Moon

• Twilight Moon

When the moon's appearance from Earth starts to grow, it is ___________.

• waning

• wandering

• waiting

• waxing

When the moon's appearance from Earth starts to shrink, it is ___________.

• waxing

• waning

• wandering

• waiting

How much of the moon is always illuminated (or lit up) at all times?

• It varies depending on its phase.

• 1/2

• 1/4

• All of it

How long does it take the moon to revolve around Earth?

• 365 days

• 1 day

• 27-31 days

• 1 week

When it is ________ in the northern hemisphere, it is ________ in the southern hemisphere.

• fall, winter

• winter, fall

• spring, summer

• summer, winter

The rise and fall of the ocean levels are known as _________.

• tides

• currents

• storms

• seasons

Which of the following objects causes tides?

• Earthquakes

• The center of the earth

• The moon's gravitational pull

• Mars' gravitational pull