… Flashcards
What is the continental crust mainly made of?
Granite
What is a deep valley found in the ocean called?
Trench
What is a circulating current of warmer material (such as magma)?
Convection current
What is it called where magma erupts through the crust?
Volcano
What is liquid rock referred to as?
Magma
What scale was named after a seismologist?
Richter scale
What happens when the ground shakes?
Earthquake
What do the crust and upper mantle form?
Lithosphere
What is a type of wave associated with earthquakes?
Seismic wave
What is the innermost layer of the earth?
Core
Where are many earthquakes found?
Around the edges of the Pacific Ocean- ring of fire
What is a large wave created by some earthquakes called?
Tsunami
What is used to record the shaking of the ground?
Seismograph
What is the main type of rock in the oceanic crust?
Basalt
The skin around the earth
The earths crust
