Name the season

This task is about seasons of the Earth.
The diagram shows the position of the Earth for each of the four seasons.
diagram of the earths and sun showing the different seasons

Question Change answer

a)  For New Zealand (a country in the Southern Hemisphere), write down the name of the season we would have at each position of the Earth.
     Write in the white boxes of the diagram.

Question 1Change answer

b)  What is it about the Earth that causes the seasons?