| A | B |
| What are the four layers of the Earth's crust? | Crust, Mantle, Outer Core, Inner Core |
| Which layer is the thinest? | Crust |
| Which layer is the thickest and made of molten? | Mantle |
| Which layer is made of liquid iron? | Outer Core |
| Which layer is made of solid iron? | Inner Core |
| Do the layers get hotter as you go in or as you go out? | As you go in toward the center |
| Who came up with the idea of the continental drift? | Alfred Wegner |
| Why did Alfed Wegner come up with the idea of the continental drift? | Because of Plate Tectonics |
| What is Continental Drift? | the process of plate movement |
| What is Plate Tectonics? | The various ways plates can move |
| When plates move what three things are created? | Mountains, Volcanoes, Earthquakes |
| What is a folded mountain? | a rounded mountain that looks like a carpet |
| What is a fault-block mountain? | A mountain with a shear cliff on one side. |
| What is a dome mountain? | it is a mountain with hot material underneath and no hole to come out |
| What is a volcanoe? | A mountain with hot material undernearth and an hole for the lava to come out |
| How are volcanoes made? | When magma pushes ot the surface and has a hole or creack to seep out, making lava flow |
| When does an Earthquake happen? | When fault lines wher plates slide past each other |