The solar system
4 marks · NormalUse the list below to answer the questions.
- Mercury
- planet
- Europa
- moon
- Vesta
- asteroid
- Andromeda
- galaxy
Which object is not in our solar system?
Name the object that is a moon and state which planet it orbits.
State what an asteroid is.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) Andromeda
(b) Europa is a moon; it orbits Jupiter.
(c) An asteroid is a small rocky object that orbits the Sun.
Also accept: Andromeda for a; Europa and Jupiter for b; asteroid definition for c
Common mistakes: Europa orbits wrong planet; Vesta mistaken for planet
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · States Andromeda as the object not in our solar system.
B2 (b) · 2 marks · Names Europa as the moon (1) and identifies it orbits Jupiter (1).
B3 (c) · 1 mark · Defines asteroid as a small rocky object orbiting the Sun.
Worked solution
a) Andromeda is not in our solar system.
b) Europa is a moon; it orbits Jupiter.
c) An asteroid is a small rocky object that orbits the Sun.