Earthquakes
Parts of an Earthquake
Volanoes
Parts of a Volcano
Miscellaneous
100
True or false: seismic waves travel in all directions from the focus
true
100
What is point B?
Epicenter
100
List 2 negative effects of volcanoes
-mudslides
-tsunamis
-ash clouds
-volcanic bombs
100
What is magma?
molten rock that is still below earth's crust
100
Using the Moment Magnitude scale, what is the highest magnitude an earthquake could reach?
10 
200
What is the name of the instrument that records the energy of earthquake vibrations
seismograph
200
What is point A?
Focus
200
List 2 positive benefits to volcanoes
- fertile soil
-land formation (makes islands, etc)
-raw materials (diamonds, metals)
-geothermal energy (warms the earth)
200
What is the conduit?
pipe that carries magma from the magma chamber to the vent
200
What is aftershock?
the smaller earthquakes that follow a larger one
300
These are vibrations that travel throughout the earth and are caused by earthquakes and volcanic eruption
seismic waves
300
What is point C?
Fault
300
Describe a composite volcano
cone with steep sides that curve inward
very explosive
300
Come up and point to the magma chamber
bottom
300
What kind of volcano has lava with a high viscosity
composite
400
How are Primary Waves and Secondary Waves different?
P Waves: faster, travels through solids, liquids, and gases
S Waves: slower, only travels through solids
400
What is the focus?
the point below earth's surface where earthquake starts
400
Describe a shield volcano
shallow volcanoes with large, gently sloping sides
400
Come up and point to the conduit
middle
400
What causes a volcano?
When one crustal plate moves under the other
500
What causes an earthquake?
When tectonic plates shift position
500
What is the epicenter?
location on EARTH where an earthquake is felt; above the focus
500
Describe a Cinder Cone volcano
made of small rock particles or cinders
fragments around vent form a cone with steep sides
500
Come up and point to the vent
top
500
What is viscosity?
how think or think a liquid is