EAPS 105: ASYNCHRONOUS QUIZ 4
WITH COMPLETE SOLUTIONS
Quiz 4: Unit 2. Part 4. Question 1. Watch the Unit 2 Part 4 lecture video and answer the
following question: Which type of light spectrum do you use to determine the
composition of a cold gas?
A) Continuous spectrum
B) Emission spectrum
C) Absorption spectrum
D) Infrared spectrum - Correct Answers -C) Absorption spectrum
Quiz 4: Unit 2. Part 4. Question 5. Watch the Unit 2 Part 4 lecture video and answer the
following question: Which of the following is not a reason why the cores of Jupiter and
Saturn to grow much more massive than the entire Earth?
A) More material to build with because of their larger orbits further from the Sun
B) The availability of solid ices farther from the Sun
C) The density of the accretionary disc increases with distance from the Sun
D) All the above led to the building of larger cores - Correct Answers -C) The density of
the accretionary disc increases with distance from the Sun
Quiz 4: Unit 2. Part 4. Question 6. Watch the Unit 2 Part 4 lecture video and answer the
following question: What happens in the first 3-10 million years after the birth of the Sun
that causes the hydrogen and helium gas to disappear?
A) It gets absorbed by gas giants
B) It condenses to form chondrules
C) It condenses to form water molecules
D) It gets blown out by the solar wind - Correct Answers -D) It gets blown out by the
solar wind
Quiz 4: Unit 2. Part 4. Question 2. Watch the Unit 2 Part 4 lecture video and answer the
following question: Aside from hydrogen and helium, what is the most abundant element
in our Sun and therefore in the original Solar Nebula?
A) Oxygen
B) Carbon
C) Nitrogen
D) Silicon - Correct Answers -A) Oxygen
