A volcano that no longer erupts is considered this.
What is extinct?
100
The difference in energy between a 1.0 and a 2.0
What is 30 times more energy?
100
The movement of wetsoil down a slope is called this
What is a mudslide?
200
This is a steep drop in the ocean floor just after the continental shelf
What is continental slope?
200
This is the idea that the continents were once together, but over time slowly separated.
What is Continental Drift Theory?
200
When lava flows in thin layers that harden, this forms.
What is a shield volcano?
200
These occur after the original earthquake and have less energy.
What are aftershocks?
200
These 5 things can cause erosion
What are: gravity, glaciers, running water, waves, and wind?
300
This is a steep sided valley in the continental slope
What is a submarine canyon?
300
These are 4 types of evidence that support continental drift and plate tectonics.
What is same age of rock, same type of rock, and same fossils are found in two different continents that once fit together.
And what is the continents looks like a jig saw puzzle.
300
This is what forms when a volcano collapses inside itself.
What is a caldera?
300
This is the measurement of energy in an Earthquake
What is magnitude?
300
This is found at the beginning of a glacier
What is a cirque?
400
This person takes measurements of the land.
What is a surveyor?
400
This forms when hot, melted rock cools in the ocean.
What is a mid-ocean ridge?
400
When magma cannot spread horizontally into a sill, it is called this
What is a laccolith?
400
When using triangulation to pinpoint the exact origin of an Earthquake, we need this?
What are 3 seismograph stations?
400
These control the speed or flow of a river.
What are dams?
500
When contour lines are far apart, it says this about the slope of the land.
What is it is not very steep (gradual rise in elevation)?
500
This is how a folded mountain forms and an example of one.
What is compression pushes two plates together upward? What is Himalayan Mountains?
500
When plates move, this happens to a hot spot.
What is it remains stationary?
500
This waves travels back and forth. It is this much faster than the wave that travels through solids only.
What is a Primary wave? What is twice as fast?
500
This is a natural landform that protects the back of the beach from erosion