Layers of the Earth
Earthquakes
Volcanoes
Faults
Boundary
100
Oceanic crust is made up of what type of rock?
Basalt
100
What type of waves travels through only solids?
S- Waves
100
What is viscosity?
The resistance to flow of a liquid
100
A break in a rock is called a?
fault
100
What boundary happens at the East African Rift?
Divergent Boundary
200
The inner core is solid iron and what?
Nickel
200
Crustal plates of Earth move due to being dragged along
Convection currents in the asthenosphere
200
What type of volcano occurs at a continental-continental convergent boundary?
None
200
What type of block wall is Ms G holding?
Hanging Wall
200
What process occurs at a convergent boundary?
Subduction
300
What are the 4 pieces of evidence for continental drift?
1. Fossils
2. Puzzle pieces of continents
3. glaciers
4. Rock formations
300
The location of the earthquake on the surface is called the?
epicenter
300
A composite volcano forms from what SPECIFIC type of plate boundary?
Continental- oceanic convergent
300
Why type of plate boundary has stress of tension?
Divergent Boundary
300
What boundary is found at the San Andres fault?
Transform
400
Which layer of the earth causes the Earth's magnetic field?
Outer Core
400
How many seismic-stations are needed to calculate the epicenter?
3
400
What type of volcano has a low viscosity?
shield
400
The following image represents a fault that formed due
Compression
400
What causes a trench?
Subduction
500
Who came up with Sea Floor Spreading?
Hess
500
If the first spike in seismogram goes down, which is this called?
dilation
500
What compound makes lava more explosive?
silicate
500
What type of fault is seen in these rocks?
normal fault
500
What is the rate plates move each year?
The rate of your fingernails or couple cm per year