Easy
Medium
Hard
Super Hard
100
The name for when all the continents were stuck together.
What is Pangea?
100
this is a scale used to measure earthquakes
What is Richter or Mercalli?
100
the instrument used to measure earthquakes
What is a siesmograph?
100
how can you make a building earthquake-proof? give at least three examples
Use criss cross bars, strong foundations, the lower the better, building must be able to sway, use wood not bricks and mortar, etc
200
What is the term for how the continents moved apart?
What is continental drift?
200
what happens when two plates rub together?
What is an earthquake?
200
seismic waves that compress and expand the ground like an accordion.
What are P waves?
200
what happens to the soil/ground in a tsunami?
the ground erodes into the sea
300
an underwater earthquake that causes a big wave
What is a tsunami?
300
Stress that pushes a mass of rock in two opposite directions is called
What is Shearing?
300
what would a 6.0 earthquake be like?
some damage to buildings. felt by most people.
300
when an earthquake’s violent shaking suddenly turns loose, soft soil into liquid mud.
What is Liquifaction?
400
the place where two plates meet.
What is a fault line?
400
what would a 3.0 earthquake be like?
little to no damage. barely felt
400
a rating system that estimates the total energy released by an earthquake.
What is the moment magnitude scale?
400
Name one place in the US that has a lot of earthquakes
What is California?
500
The force that pulls plates away from one another
What is the Tension?
500
How do we know the continents were once connected?
similar biomes, the shape fits together, similar animals, etc
500
rate earthquakes according to the level of damage at a given place.
What is a the Mercalli Scale?
500
an earthquake that occurs after a larger earthquake in the same area.
What is the After Shock?
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