Questions on the Earth in Space
Q5.
Willow drew a picture of herself standing at four different positions on the Earth. Her picture is not to scale.
![](spacediag5bANS.png)
(a)
(i) Draw an arrow at each of the four positions to show the direction of the force of gravity on Willow at that point on the Earth's surface.
See diagram - the force of gravity it towards the centre of the Earth. ![](../../../graphics/symbols/nuclides/ticksmall.png)
1 mark
(ii) The drawing at position A shows Willow holding a ball on a string. Draw the ball and string in positions B, C and D.
See diagram - The ball must hang towards the Earth for each position to gain the mark. ![](../../../graphics/symbols/nuclides/ticksmall.png)
1 mark
(b) The drawing below shows:
- that the Earth goes round the Sun;
- that the Earth rotates on its axis.
![](spacediag5.png)
Choose from the list of times below to answer parts (i) and (ii).
- 60 seconds
- 60 minutes
- 24 hours
- 7 days
- 28 days
- 365 days
(i) How long does it take for the Earth to orbit the Sun once?
365 days
1 mark
(ii) How long does it take for the Earth to spin on its own axis once?
24 hours ![](../../../graphics/symbols/nuclides/ticksmall.png)
1 mark
Maximum 4 marks