Quiz #1: Continental Drift; 1-8 Flashcards
1
Q
Continental Drift
A
A hypothesis, which states that the continents have moved around the globe, overtime, to reach their current positions.
2
Q
Pangaea
A
When all continents were connected as one 200 million years ago. This made a super land mass.
3
Q
Seafloor Spreading
A
A theory that states that magma travels to the earth’s surface.
4
Q
Crust
A
Thin, outermost layer of the Earth.
5
Q
Plate tectonics
A
Is the theory that the Earth’s crust and upper mantle are broken into sections that slowly move around on the lower mantle.
6
Q
Plates
A
Sections of the Earth’s crust and upper mantle that move around on the bottom part of the mantle.
7
Q
Lithosphere
A
The crust and the upper mantle together.
8
Q
Asthenosphere
A
The lower mantle.
