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A change in rock that is caused by stress but is NOT permanent is called __________ strain.
What is elastic
The _______ is the point below Earth's surface which breaks and triggers an earthquake.
What is focus
A ______ volcano is a volcano that is currently not active, but may become active in the future.
What is dormant
The point on the surface directly above the focus is called _______.
What is the epicenter
What type of fault has two plates moving in opposite directions?
What is strike-slip
When magma reaches Earth's surface it is called _____.
What is lava
List three different types of stress that can occur in Earth's crust.
What is tension, compression, and shearing
Which type of seismic wave produces the most severe ground movement?
What is surface waves
Mid-ocean ridges and continental rifts are landforms created by _________.
What is tension
A ________ eruption has magma that slows easily with gasses bubbling out gently.
What is quiet
The opening at the top of a volcano is called ______.
What is crater
A block of rock that lies above a fault is called a _____ wall.
What is hanging wall
Landforms such as mountain ranges and ocean trenches are created by __________.
What is compression
The ____ ______ is the arrival time difference between the first P-wave and the S-wave.
What is lag time
The main channel where magma moves up a volcano is called ________.
What is pipe
The epicenter of an earthquake is directly above _______.
What is focus
Transform faults and fault zones are created as a result of this type of stress:_________.
What is shearing
What are the two water landforms that form from geothermal activity?
What are geysers and hot springs
Explain what stress is in terms of rocks.
What is a force that acts on rocks to change its shape or volume
A ______ is a side chamber of lava that goes away from the main pipe in a volcano.
What is vent
Determine the three types of waves that result from an earthquake.
What is p-waves, s-waves, and surface waves
List the three stages of volcanic activity.
What is active, dormant, and extinct
What is a weak spot in Earth's crust where molten material, or magma, comes to the surface.
What is volcano
A string of islands, called an _______ _____ is created by volcanoes near boundaries where two oceanic plates collide.
What is island arc
A change in rock that is caused by stress and creates a permanent change is called _________ strain.
What is plastic