The _____ is the place within the earth where the earthquake starts.
What is focus?
100
A gas that is released during a volcanic eruption.
What is CO2?
200
Igneous rocks form when molten rock/magma cools and becomes solid
How do igneous rocks form?
200
The ______ is the outer layer of the earth.
What is the crust?
200
Pangea
This is the super continent that formed 300 million years ago.
200
The _____ measures earthquake intensity and describes damage to structures.
What is Mercalli Scale?
200
A volcano with a non-explosive eruption and built from layers of lava.
What is a shield volcano?
300
Sedimentary rocks form when existing rocks are broken down into sediments by wind, water, and other erosional agents.
How do sedimentary rocks form?
300
This crust is less dense than oceanic crust.
What is continental crust?
300
the youngest oceanic plate wins when there is a collision of two oceanic tectonic plates.
When two oceanic plates meet which one always wins?
300
Where the most earthquakes occur is located where?
What is the Ring of Fire?
300
Magma is when its inside, lava is when its outside.
What is the difference between lava and magma?
400
Metamorphic rocks are created by the physical or chemical alteration of existing rocks by heat and pressure.
How are metamorphic rocks created?
400
The _____ core is solid.
What is the inner core?
400
Divergent boundaries
This boundary occurs when two plates pull away from each other forming the crust.
400
These type of waves cause the most structual damage.
What are surface waves?
400
Shield, Cinder Cone, and Composite Cone volcanoes.
What are 3 types of Volcanoes?
500
Foliated metamorphic rocks have a flat mineral arrangement. Non-foliated metamorphic rocks that do not have bands and are usually the result of low grade metamorphism.
What are the two classifications of metamorphic rocks? Describe them.
500
This happens in the mantle and is the cause of the movement on earth.
What is convection?
500
Matching fossils have been found of two totally separate continents with opposite types of climates.
What is the biggest evidence of tectonic plate movement?
500
San Andreas Fault
What is the most active fault in the US?
500
These can, destroy by direct impact, lead to increased deposition, block tributary streams, bury valleys and communities with debris.