Test 1

Question 1

Explain why we see exactly the same craters on the Moon, even though it is rotating on its axis?

Answer 1

?

Question 2

Compare the amount of time the moon will appear to be a full moon this month compared to the amount of time the Moon spends in totality in a lunar eclipse.

Answer 2

It would spend a whole night as a full moon and only a few hours as a lunar eclipse.

Question 3

Which of he two planets (Mars or Jupiter) has a shorter distance to travel in order to complete one orbit?

Answer 3

Mars

Question 4

Which of the two planets (Mars or Jupiter) has a higher speed? What information do you need to prove this?

Answer 4

Mars, you need to know the distance. The shorter the orbit the faster the traveling speed.

Question 5

You eat so much that you now have twice as much mass (Earth stays the same) how much do you now weigh?
Formula: E(M)/D^2
E=earth 
M=your mass
D=distsance

Answer 5

You weigh twice as much

Question 6

The Earths center suddenly moves three times as far away from you how much do you weigh?
Formula: E(M)/D^2
E=earth 
M=your mass
D=distsance

Answer 6

You weigh 1/9 as much.

Question 7

When we use the celestial sphere to help us predict where to look for objects in the sky, we imagine all the stars are painted on a giant sphere that is spinning around the Earth every day, even though in reality, the stars aren’t zooming all the way around the universe that fast.

Answer 7

This is because the same stars rise is the East and set in the West everyday if you are looking from the same horizon. They orbit is a circle and can only move so far. They look like they are moving so fast because they are moving while the Earth is also moving.