Plate Tectonics Flashcards
The lithosphere is made from what two main layers of the Earth?
The crust and upper mantle.
Which part of the Earth is broken into pieces that move?
The lithosphere
The asthenosphere is made from what main layer of the Earth?
The mantle
The plates ride on which molten layer where convection currents occur?
The asthenosphere
Which type of plate boundary is where two plates pull apart?
Divergent
Which type of plate boundary is where two plates slide past each other in opposite directions?
Transform
Which type of plate boundary is where two plates come together?
Convergent
What is molten rock that reaches the Earth’s surface called?
Lava
What is molten material that remains under the Earth’s surface called?
Magma
What are the pieces of Earth’s crust that move around called?
Tectonic plates
What is a break in Earth’s crust that moves and can cause earthquakes called?
Fault
What is the machine called that records earthquake waves called?
A seismograph
What main layer of the Earth is warm and found in the middle?
The mantle
What are broken pieces of rock that can form soil or be cemented together to form sedimentary rock?
Sediment
What is any crack in the crust that releases lava, ash and gases is called?
A volcano