Stress that pushes rock in opposite directions (like a transform boundary).
Shearing
100
The vibrations that move through the ground carrying energy released during an earthquake are called...
seismic waves
100
Describe Pahoehoe.
fast-moving, hot lava
100
I am a gradually sloping volcano created by low viscosity lava that flows long distances. Who am I?
Shield Volcano
100
A substance made of two or more elements that have been chemically combined is a(n)
compound
200
The stress that pulls the crust apart.
Tension
200
The point beneath the surface where rocks break and an earthquake starts is the ...
focus
200
Before lava reaches the surface, this molten material is called...
magma
200
I am usually pretty quick to be created. I am only made of high viscosity lava, cinders, bombs, and ash. I popped up in a cornfield over night. Who am I?
Cinder Cone Volcano
200
The bowl-shaped area around a volcano's vent is called..
the crater
300
Which type of stress produces revere faults?
Compression
300
The type of seismic wave that arrive at the surface first and move by compressing and expanding like an accordion are called...
Primary Waves
300
Just like my great aunt the hunchback, layers of rock that bend upward into an arch are called...
Anticline
300
I like to mix things up. I usually alternate lava, then ash, then lava, then more ash. I can keep this up for many years. Who am I?
Composite Volcano
300
The long tube in the ground that connects the magma chamber to the Earth's surface is called the...
pipe
400
A force that acts on a rock to change its shape or volume
Stress
400
Compared to P waves, S waves move. (faster), (slower), or (the same speed)
Slower
400
What two factors (need em' both) determine magma's viscosity?
Temperature and Silica content
400
The formation of the Hawaiian Islands is an example of what geological phenomenon? (Not a volcano type)
Volcanoes forming over hot spots
400
The resistance of a liquid to flowing is called...
viscosity
500
The type of fault that is formed when compression causes the hanging wall to move over the foot wall.
Reverse Fault
500
What is the main difference between the focus and the epicenter?
Focus= below ground
Epicenter= surface directly above the focus
500
What type of wave can travel through both liquids and solids?
P waves
500
Look at these pictures. Name all three volcanoes correctly.
A: Cinder Cone
B: Shield
C: Composite
500
Which of these is NOT a physical property.
A. Density
B. Hardness
C. Melting
D. Burning