The lithosphere is broken up into huge, irregular slabs called _______________.
What is tectonic plates?
100
_____________ crust is much thicker than __________ crust.
What is continental and oceanic?
100
Two plates move towards each other at this type of plate boundary?
What is convergent boundaries?+
100
The preserved remains of an organism is called a ___________.
What is fossil?
200
One piece of evidence supporting this theory was that the coastlines of ________________ and _____________ seemed to fit together.
What is South America and Africa?
200
The three plates move are _____________, ____________, and _____________.
What is come together, pull apart, slide past each other?
200
Plates move because of _________ ___________.
What are convection currents?
200
Two plates move away from each other at this type of plate boundary.
What is divergent boundaries?
200
Mountains form along these plate boundaries.
What is convergent boundaries?
300
A 2nd piece of evidence that supports this theory is that __________ of the same plant and animal species were found in both South America and western Africa.
What is fossils?
300
The process through which plates, under the oceans, pull apart, and magma flows up and fills in the space.
What is sea-floor spreading?
300
Besides below the surface of the Earth, where else might convection currents be found?
What is in a heated pot, in a room with the heater on?
300
When plates collide, one plate may sink below the other plate. This is called __________.
What is subduction?
300
Sea-floor spreading takes place along this plate boundary.
What is divergent boundary?
400
A 3rd piece of evidence supporting continental drift is that deposits from _____________ were discovered in places that now have warm weather all year.
What are glaciers?
400
If one plate is growing, another must be ____________.
What is shrinking?
400
Three events that take place because of moving plates.
What are earthquakes, mountain building, and volcanoes?
400
At this plate boundary, 2 plates slide past each other.
What is transform fault boundaries?
400
True or False. Earthquakes happen along all 3 plate boundaries.
What is true?
500
The 4th piece of evidence supporting this theory is that mountain ranges across ___________ and ____________ seemed to link up.
What is North America and western Europe?
500
The edge of a tectonic plate is called _______________.
What is plate boundary?
500
On average, the plates are moving at an average rate of ___________ every year.
What is 10 cm?
500
All earthquakes and volcanoes take place in the Ring of Fire. True or False.
What is false?
500
The transfer of thermal energy (heat) by mass movement in a liquid is called ___________.