Have a look through the course notes. They are divided into important sections.
Evidence for plate tectonics (slides 2-17)
Structure of the earth (slides 20-23)
Convection spreading and subduction (slides 24-26)
Taupo volcanic zone (slides 27-50) The main slides to consider here are: 28 animated view of australian plate melting,29 description in words, 30 and 31 Andesite and rhyollite volcanoes (composite and caldera cones).
The Rock Cycle (slides 51-65). The main slide to consider here is 51. You must however be able to describe fully the processes involved in producing igneous sedimentary and metamorphic rocks.
Earthquake activity in the South Island. (slides 67-70 need to be studied carefully).
Marble: a metamorphic rock slides 71 and 72
Model answer for question 9 on the Rock Cycle in the previous post
Molten Magma is formed when rocks melt at high temperatures deep in the Earth’s crust or upper mantle. When this magma cools and crystallises it becomes Igneous rock, When the magma cools and solidifies on the surface it is known as volcanic igneous rock. When magma cools and solidifies before it reaches the surface it is known as intrusive igneous rock. Rocks which are exposed on the surface are eventually broken down by weathering and erosion and can be carried away rivers and glaciers, They are deposited as sediments when rivers enter the sea. As layers of sediment build build up to a depth of many kilometers compaction and cementation produces sedimentary rocks. These rocks are eventually changed due to pressure and heat, creating what is called Metamorphic rock.Metamorphic rocks never become molten. When this Metamorphic rock is exposed to excessive heat, it is melted and becomes magma and the cycle restarts.