Be sure to show your work, do your own work, and put your name and row letter on it and write legibly. If I can't read it, I can't grade it.
Do on your own paper- do not turn in any images.
Each question is worth 2 points, spelling and grammar are worth 3 points.
Question 1: What are the moons of the outer planets typically made of, and how is their composition different from that of our Moon?
Question 2: Would you expect to find more impact craters on Io or Callisto? Why?
Question 3: From our vantage point north of the Tropic of Cancer, at noon the Sun will always be in what direction? (North, East, South, or West)
Question 4: About how old is the surface in the above image? Give your reason.
Question 5: About how old is the surface in the above image? Give your reason.
If you don't think it is 4 billion years or older, provide a process which has erased/covered craters.
Question 6: About what is the density of rocky terrestrial planets?
Question 7: About how old is the surface in the above image? Give your reason.
Question 8: What element is Jupiter mostly made of?
Question 9: Textbook Chapter 11 Question 20.
Jupiter is denser than water, yet composed for the most part of two light gases, hydrogen and helium. What makes Jupiter as dense as it is?
Question 10: Textbook Chapter 12 Question 4.
Explain the energy source that powers the volcanoes of Io.
Question 11: If a new planet is discovered at 39AU, what is its orbital period (in Earth years)?
This is a Kepler's 3rd law question
Bonus Question 12: (2pts)
I notice that stars twinkle and think it is caused by our Earth's atmosphere. I predict that above the Earth's atmosphere, stars should not twinkle.
The last sentence is what part of the scientific method?