SCMH 1010 CHAPTER 16 EXAM
QUESTIONS AND ANSWERS GRADED A+
2026
Earth formed approximately __________ billion years ago. - ANS 4.5
An astronaut standing on Mars and attempting to look at Jupiter would have to look across the
intervening: - ANS asteroid belt.
The Earth's atmosphere has probably been affected by all of the following except for: -
ANS increased amounts of hydrogen and helium.
Which of the following characteristics does the Earth share with all other bodies in the solar
system? - ANS gravitationally bound to the Sun
All planets orbit the Sun: - ANS the same direction that that the Sun rotates on its axis.
According to the nebular hypothesis, the solar system began as: - ANS a cloud of dust and
gas.
What two elements comprise most of a nebula? - ANS hydrogen and helium
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
QUESTIONS AND ANSWERS GRADED A+
2026
Earth formed approximately __________ billion years ago. - ANS 4.5
An astronaut standing on Mars and attempting to look at Jupiter would have to look across the
intervening: - ANS asteroid belt.
The Earth's atmosphere has probably been affected by all of the following except for: -
ANS increased amounts of hydrogen and helium.
Which of the following characteristics does the Earth share with all other bodies in the solar
system? - ANS gravitationally bound to the Sun
All planets orbit the Sun: - ANS the same direction that that the Sun rotates on its axis.
According to the nebular hypothesis, the solar system began as: - ANS a cloud of dust and
gas.
What two elements comprise most of a nebula? - ANS hydrogen and helium
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
