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earth movement quiz
science quiz
| Question | Answer |
|---|---|
| Which layer of the eart is the hottest? | core |
| what was the name of the super continent that existed 200 million years ago | pangaea |
| which layer of the earth are the plates part of? | crust |
| which layer of the earth do the plates float on top of? | mantle |
| Name the theory that states that the continents have moved vast distances around the earth over millions of years to reach their present locations | continental drift |
| names the theory that explains that the earth's crust in NOT one solid piece of roch, but it consists of a series of plates that flost on the molten rock of the mantle | plate tectonics |
| what is causing the plates to move? | convection currents |
| what is the process by which hot magma from the mantle wells up in the boundary between two oceanic plates as they move away from each other, creating new crust? | ocean-floor spreading |
| what kinds of plates have continents embedded in them? | continental |
| what kinds of plates consist only of the ocean floor? | oceanic |