| A | B |
| The layer of the upper mantle that can flow | asthenosphere |
| subduction of the ocean floor takes at | trenches |
| The earth's crust is made up of | basalt and granite |
| Earth's inner core is made up of | iron and nickle |
| A rift valley forms when two continents | diverge |
| Heat from earth's core causes | convection currents in the mantle |
| Layer of rock that forms Earth's 'outer skin' | crust |
| layer of hot rock below the crust | mantle |
| uppermost part of mantle | lithosphere |
| soft layer of mantle | asthenosphere |
| Below the mantle | core |
| layer of molten metal that surrounds the inner core | outer core |
| dense ball of sold metal found beneath outer core | inner core |
| super continent | pangaea |
| Alfred Wegner | Scientist who hypothesized continental drift and pangea |
| fossil | trace of an organism that is preserved in rock |
| longest chain of mountains in the world | mid-ocean ridge |
| Process that continually adds new material to the ocean floor | sea-floor spreading |
| Birthday celebrated in January, "I have a dream...: | Martin Luther King |
| January is a month for warm breakfast cereal | Oatmeal month |