Exam Strategies

Extreme Earth Events - Exam Strategies

Finn LeSueur

2021

The Exam

  • 3 essay-style long answer questions
  • 3 topics, one question on each:
    • Volcanoes
    • Earthquakes
    • Tsunamis
  • You have plenty of room, so can plan your answers!

Breaking Down a Question

  • Start questions on volcanoes & earthquakes with a brief explanation of plate tectonics & convection currents.
    • Basic Earth structure
    • Crust structure
    • Convection currents
    • (Briefly) Wegner’s theory of continental drift

Suggested Topics

  • Each question comes with a series of bullet points outlining what you should include in your answer.
  • Each of these bullet points should be a whole paragraph in your answer.
  • A diagram is always suggested, and students who include diagrams typically get better grades.

Planning

  • Title each paragraph of your answer
  • Include a series of bullet points below to outline your answer (for your benefit):

1. Tectonic Plates & Convection Currents

  • Basic Earth structure
  • Crust structure
  • Convection currents
  • (Briefly) Wegner’s theory of continental drift

[Your full answer here, leave lots of space]

2019 Q1 Bullet 1

2. Mantle-Crust Interaction & Volcano Formation

  • Plate boundary, Pacific plate subducting under Australian
  • Melting of plate
  • Hot spot: plume of magma is rising
  • Outer core is heating the mantle, causing it to rise
  • Crust is stretching, becoming thin, cracks for volcanoes to form in

[Your full answer here, leave lots of space]

2019 Q1 Bullet 2

3. Magma Type & Characteristics

  • [Basaltic/Andesitic/Rhyolitic] magma
  • Viscosity (impact on eruption)
  • Silica content (impact on eruption)
  • Gas content (impact on eruption)
  • Water content (impact on eruption)

[Your full answer here, leave lots of space]

2019 Q1 Bullet 3

4. Eruption Stages & Landscape Features

  • Describe the field
  • Shape of volcanoes
  • Frequency of eruption
  • Number of volcanoes (why)
  • How the volcanoes erupt (violent, or more peacefully etc.)

[Your full answer here, leave lots of space]

Diagram

Illustrate what is happening with the crust, tectonic plates, mantle, and core to cause the volcanoes. E.g.:

Source