The solar system
3 marks · EasyThe diagram below shows a simplified arrangement of part of the solar system.
A is a planet. B is a moon. Which object, A or B, orbits the Sun directly?
State the object that B (the moon) orbits directly.
What is the name given to the path followed by a planet around the Sun?
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.
Show answer
(a) A
(b) A (the planet)
(c) Orbit (or elliptical orbit)
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Correctly identifies A is the object that orbits the Sun directly.
B1 (b) · 1 mark · Correctly states A (the planet) as the object B orbits.
B1 (c) · 1 mark · Identifies 'orbit' or 'ellipse' as the path.
Worked solution
a: Object A is a planet and orbits the Sun directly.
b: B is a moon and orbits the planet A directly.
c: The name for the path is 'orbit' (accept 'ellipse' or 'elliptical orbit').