PM (2) Key concepts Flashcards
1
Q
1.3
A
Earth’s outer layer is made of hard, solid rock.
2
Q
1.4
A
Earth’s outer layer is divided into sections called plates.
3
Q
1.4+
A
Geologists look for patterns in landforms and in geologic events in order to better understand Earth.
4
Q
2.2
A
Earth’s plates move on top of a soft, solid layer of rock called the mantle.
5
Q
2.5
A
At divergent plate boundaries, rock rises from the mantle and hardens, adding new solid rock to the edges of both plates.
6
Q
2.5+
A
At convergent plate boundaries, one plate moves underneath the other plate and sinks into the mantle.
7
Q
1.4++
A
The plates of Earth’s outer layer move.
8
Q
3.2
A
Earth’s plates travel at a rate too slow to be experienced by humans
9
Q
3.4
A
It takes a long time for Earth’s plates to travel great distances.
