Our Fascinating Earth Q9 Flashcards
1
Q
the study of the earth and its structure
A
geology
2
Q
underwater mountain ranges that occur where pieces of the earth’s crust are moving away from each other
A
mid-oceanic ridges
3
Q
the boundary between the earth’s crust and mantle
A
Moho discontinuity
4
Q
huge pieces of the earth’s crust that ‘float’ like rafts on the upper mantle
A
plates
5
Q
the process that causes rocks to gradually break or crumble into smaller pieces
A
weathering
6
Q
the layers of the earth from the outside to the in
A
crust
mantle
outer core
inner core