1. After your test:
You are one of the geologists who laughed at and discredited Alfred Wegener.
Write a two-page letter of apology to him, thoroughly explaining to him what we have discovered about the interior of the Earth and the movement of tectonic plates since his death. Make sure to mention and describe the new Theory of Plate Tectonics.
Feel free to use your device to research Harry Hess and the discovery of sea-floor spreading and magnetic reversals - include an explanation of it it in your letter.