Question | Answer |
all the water on earth | hydrosphere |
biosphere | regions of the world supporting life |
atmosphere | the layers of gasses surrounding the earth |
lithosphere | the earths crust and solid mantle |
nitrogen, oxygen, carbon dioxide (the air) | what are some layers of gasses surrounding the earth |
lithosphere is the ...? | land |
how much of the earth does the lithosphere cover ? | 1oo% |
crust | the outermost solid shell of the earth |
how thick is the earhts crust | between 3-5 |
the crust is broken up into different ..? | plates |
mantle | largest layer of the earth; 1800 miles thick |
what is the mantle made of | hot, thick, dense, rock and if flows thick like a liquid. |
core | center of the earth (iron and nickel) |
outer core is ..? | liquid |
inner core is ..? | solid |
what keeps the molten iron and nickel solid | intence pressure of gravity |
what is continental shelf | the underwater extension of the continent where the sea is relatively shallow copared with the open ocean |
where is the continental slope located | between the outer edge of the continental shelf and the deep ocean floor |
what is topography | study of surface shape and features of the earths |
what are topographic maps | a type of map representing the topography of an area by using contour lines with set distances between them. |