Structure of the Lithosphere

The Earth is made of 3 layers.

• True

• False

The 3 layers of the Earth are the core, the continental and the oceanic crust.

• True

• False

The _________________ is the inner most layer of the Earth. It is very dense and extremely hot.

• Core

• Mantle

• Crust

The mantle is between the crust and the core.

• True

• False

Pangea is the super continent that existed 200 million years ago.

• True

• False

The oceanic crust is between 6 and 10km thick while the continental crust can be up to 70km thick.

• True

• False

The crust is not a continuous layer; it is broken up into segments known as plates.

• True

• False

Evidence to support the theory of continental drift are all of the following EXCEPT:

• Continents fit

• Similar resources along the edge of the continents

• Similar plant and animal fossils in neighboring continents

• Rocks of similar type and age found along the edge

The Mid- Atlantic Ridge is evidence of sea- floor spreading

• True

• False

The idea of moving belts and rigid plates formed the basis of the theory of plate tectonics.

• True

• False