Plate Tectonics

Front

A plate boundary where two plates move away from each other is called

Back

Divergent Boundary

Front

Name of the super continent that existed 200 million years ago.

Back

Pangea

Front

What is the difference between the lithosphere and asthenosphere that makes up the mantle?

Back

The lithosphere is made of solid rock while the asthenosphere is more flexible hot rock that moves.

Front

Convergent Plate Movement can create

Back

Mountains

Front

When pressure builds between two tectonic plates, it can suddenly release causing a (an) ______________________

Back

Earthquake

Front

The movement of metals within the earth's outer core cause a ____________________________ that is detectable on the earth's surface using a compass.

Back

Magnetic field

Front

During sea floor spreading, where does molten material rise up from the mantle?

Back

at the mid ocean ridges

Front

Why are earthquakes common in areas like California and Japan?

Back

Both areas are on the boundary of active plates, the motion of the plates causes earthquakes.

Front

Which 2 continents did Alfred Wegener think looked like puzzle pieces that could fit together?

Back

South America and Africa

Front

Which type of information was NOT collected by Wegener to support his continental drift hypothesis? Options:

continental

puzzle effect

,  fossils, seafloor magnetic data, rocks

Back

seafloor magnetic data