Astronomy Review

 Earth’s orbit around the sun takes...

• 1 day

• 1 week

• 1 month

• 1 year

Earth’s rotation on its axis takes...

• 1 day

• 1 week

• 1 month

• 1 year

The time it takes for the moon to revolve around Earth is approximately...

• 1 day

• 1 week

• 1 month

• 1 year

Compared to the summer, shadows in the winter in the northern hemisphere are generally...

• Longer

• Shorter

• About the same

Which statement best explains why daytime and nighttime occur on Earth?

• Earth rotates on its axis.

• The sun rotates on its axis.

• Earth’s axis is tilted.

• Earth orbits the sun.

It is necessary to add a day to the calendar every four years because

• The axis of earth is tilted.

• The gravitational pull of the sun affects earth’s orbit.

• The orbit of earth is not exactly 365 days.

• The moon crosses the orbit of the sun every 28 days.

Why does the sun appear to move across the sky each day?

• The sun is orbiting earth

• Earth is orbiting the sun

• The sun is rotating on its axis

• Earth is rotating on its axis

The apparent motion of the sun is that it rises in the ___ and sets in the ___.

• North, south

• East, West

• West, east

• South, north

Which of the following is the main cause of ocean tides on earth?

• The moon’s gravitational pull

• Wind

• Earthquakes

• The sun’s gravitational pull

The moon phase at position 7 would be the _​ (a)  

• 1st quarter .
• 3rd quarter
• 4th quarter.
• 2nd quarter.