lesson 3.1 vocab Flashcards
1
Q
Pangaea
A
the large supercontinent at the end of the Paleozoic Era consisting of all the land on Earth, including all seven continents and other landmasses.
2
Q
continental drift
A
the movement of Earth’s continents relative to each other.
3
Q
fault
A
a crack in a body of rock that the rock can move along (related word: faulting)
4
Q
fossil
A
evidence that an organism once existed in an area; can be a part of the organism’s body or a trace fossil which is a mark or print left by the organism (related word: fossilize)
5
Q
mid-ocean ridge
A
an oceanic rift zone that consists of long mountain chains with a central rift valley; divergent boundary.
6
Q
ocean trench
A
crustal structure form by divergence of two tectonic plates.
7
Q
tectonic plate
A
one of several huge pieces of Earth’s crust.
