Across
- 5. Where the magnetic north points (roughly) towards the geographic north pole.
- 7. A linear feature that exists between two tectonic plates that are moving away from each other.
- 8. A hypothetical super-continent that included all the landmasses of the earth before the Triassic Period.
- 9. Formation of new areas of oceanic crust, occurs at mid-ocean ridges.
- 10. The rigid outer part of the earth, consisting of the crust and upper mantle.
Down
- 1. The movement, formation, or re-formation of continents described by the theory of plate tectonics.
- 2. A theory explaining the structure of the earth's crust from the interaction of rigid lithospheric plates.
- 3. A change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged.
- 4. Theory that explained how continents shift position on Earth's surface.
- 6. When the hot and neutral connections at a receptacle are wired “backwards.”