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 |