Hodge Podge
Seafloor Spread
Cracks and Creases
Volcano Parts
Layers
200

This seismic wave will arrive at a seismograph first.

What is a P-wave?

200

This is the engine that drives Seafloor spread.

What are mantle/convection currents

200

This type of strain causes rock to crack.

What is brittle strain?

200

A large pocket ofmagma under a volcano?

What is a magma chamber?

200

The hard layer we walk on.

What is the lithosphere?

400

This seismic wave will not travel through liquids.

What is S-wave?

400

A pattern of symmetrical stripes on opposite sides of a mid-ocean ridge.

What is magnetic symmetry?

400

This type of strain causes folding.

What is ductile strain?

400

The point at which magma spews out from the inside of a volcano.

What is a vent?

400

This layer is made of liquid iron.

What is the outer core?

600

 This surface, seismic wave moves in a rolling, circular motion.

What is Rayleigh wave?

600

Newly formed rock pushing away from a mid-ocean ridge cause this. 

What is ridge push?

600

A break in a body of rock in which there is no movement.

What is a fracture?

600

A bowel or depression where the main vent of a volcano is located.

What is the crater?

600

This solid layer contains convection currents.

What is the mantle?

800

An area of the earth where no seismic waves are detected.

What is shadow zone?

800

This is what occurs when old, dense rock pulls seafloor into a subduction zone. 

What is slab pull?

800

A break in a body of rock in which there is movement.

What is a fault?

800

The main conduit for magma between the magma chamber and vent.

What is the pipe?

800

The plastic layer on which plates float.

What is the asthenosphere? 

1000

Which body wave creates the largest shadow zone?

What is S-wave?

1000

This, along with friction, creates pockets of magma at subduction zones.

What are fluids?

1000

A fold in which the youngest rock is in the middle.

What is a syncline? 

1000

A combination of gases and materials ejected from a volcano.

What is pyroclastic flow?

1000

This layer contains the asthnosphere.

What is upper mantle?