4. Which of the following is a common feature among the four inner planets? (1 point)
atmosphere composition
distance from the sun
rocky surfaces****
temperature range
5. Which of the following is the smallest terrestrial planet? (1 point)
Mars
Mercury**
Venus
Earth
6. What do the four outer planets have in common? (1 point)
They are much larger than Earth and are made mainly of hydrogen and helium.***
They are about the same size as Earth and are made mainly of hydrogen and helium.
They are much larger than Earth and are made mainly of iron.
They are about the same size as Earth and are made mainly of iron.
7. How is Uranus different from most other planets? (1 point)
It is the farthest from the sun.
It is mostly nitrogen and helium.
It rotates on its side.**
It has the most moons.
8. Asteroids are one of the categories into which scientists classify small bodies in the solar system. Where can most asteroids be found? (1 point)
between Earth and Mars
between Mars and Jupiter**
between Jupiter and Saturn
between Saturn and Uranus
9. Which of the following information is not necessary when classifying a star? (1 point)
its size
its temperature
its shape***
its brightness
10. Which of the following can help astronomers detect if a star is a part of a binary star system? (1 point)
The star varies in temperature near the binary star.
The star wobbles near the binary star.
The star has very strong gravity.
The star belongs to an open cluster.
MY ANSWERS:
4. C
5. B
6. A
7. C
8. B
9. C
10. I have no idea
6 answers
5 answers