Ch.5 Lesson2 Flashcards
1
Q
The large sections that make up the Earth’s crust are called ____________.
A
Plates
2
Q
When plates slowly ram into each other, they can form bended layers of rock called _____.
A
Fold
3
Q
A long narrow crack in the earth’s crust is called a _________.
A
Fault
4
Q
When the Earth’s crust shakes suddenly an __________ occurs.
A
Earthquake
5
Q
Underwater earthquakes cause _____________.
A
Tsunamis
6
Q
The source of an earthquake sends out __________ ______ that travel outward.
A
Seismic waves
7
Q
A __________ measures seismic waves.
A
Seismograph
8
Q
A mountain that forms around an opening in the Earth’s crust is called a _________.
A
Volcanoe
9
Q
Melted rock that touches the surface is called ________.
A
Lava
10
Q
Melted rock that hasn’t touched the surface yet is called _________.
A
Magma
