Match each term to its description:

1) the earths outermost layer

2) the firm layer between the crust and the asthenosphere

3) the metallic layer at the earth's center

4) the semi solid layer between the top layer and the upper mantle

5) the hottest part of the mantle

6) the layer surrounding the inner core

7) the layer between the asthenosphere an lower mantle

crust

inner core

lower mantle

asthenosphere

upper mantle

top layer

outer core