Geography Crosswords

Across
2.	hot fluid or semifluid material below or within the earth's crust
4.	thin top layer of the earth surface
7.	the Earth's innermost part and according to seismological studies
9.	a white thingy on the sky formed by water
11.	formed byt he cooling of magma
13.	is a layer of gases surrounding a planet or other material body
14.	the lowest layer, is right below the stratosphere
15.	is a silicate rocky shell with an average thickness of 2,886 kilometres (1,793 mi)
17.	he global ecological system integrating all living beings and their relationships
18.	a dark black rock that used for feul
19.	sedimentary rock can be made into a chalk
20.	the hardest naturally occuring substance

Down
1.	hot molten rock sort of fluid rock
3.	rock that mostly used for kitchen table
5.	a light that shine out earth
6.	layer of Earth's atmosphere. It is the second layer of the atmosphere as you go upward.
8.	is a persistent body of dense ice that is constantly moving under its own weight
10.	a layer in the atmosphere coldest temperature
12.	Earth is a fluid layer about 2,300 km
15.	a metamorphic rock
16.	hard, dark, glasslike volcanic rock formed by the rapid solidification of lava without crystallization.