4.1 science Inside Earth Flashcards
1
Q
a substance mad up of atoms of two or more different elements joined by chemical bonds.
A
compound
2
Q
the hypothesis that states that the continents once formed a single landmass.
A
continental drift
3
Q
the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies.
A
sea floor spreading
4
Q
a underwater mountain system formed by plates tectonics.
A
mid-ocean-ridges
5
Q
a hypothetical supercontinent that included all current land masses.
A
Pangaea
6
Q
a magnetic field of the earth that have occurred from time to time.
A
magnetic reversal
