GCSE level questions on the Earth in Space


(a) The following diagram shows three satellites, A, B and C, in orbit around the Earth. The diagram is not to scale.

(i) Complete the following table. Each letter may be used once, more than once or not at all.

Description of satellite Is this satellite A, B or C?
It is in a low polar orbit.  
It is in a geostationary orbit.  
It is used as a monitoring satellite.  

(3 marks)

(ii) How long does a satellite in a geostationary orbit take to complete one orbit? (1 mark)

(b) A rocket is used to carry a satellite into position. As the distance between the rocket and the Earth increases, what happens to the the force of gravity between the rocket and the Earth?

A It decreases

B It stays the same

C It increases

(1 mark)

(c) Satellites cost many millions of pounds to build and to put into orbit. Some people think that this is a waste of money.

(i) Suggest one reason why some people may have this opinion. (1 mark)

(ii) Suggest one reason why other people may disagree with this opinion. (1 mark)

(Total 7 marks)