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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

type of seismic wave travels along the Earth's surface and causes the most damage

what is surface waves

200

 In deep ocean water, a tsunami wave is characterized by:

A short wavelength.

200
what happens when two plates rub together?
What is an earthquake?
200

If the Earth's axis were not tilted, what would happen to the seasons?

a. They would become more extreme

b. They would disappear


b. They would disappear

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
the region in the south pacific with a lot of earthquake activity
What is the Ring of Fire?
300
what would a 6.0 earthquake be like?
some damage to buildings. felt by most people.
300

The point of origin of an earthquake.

What is FOCUS.

400
the place where two plates meet.
What is a fault line?
400

the scale that measures how much damage an earthquake creates.

What is Mercalli SCale

400

What type of fault occurs when rocks slide horizontally past each other?


What is Strike-slip fault?

400

The area just above the focus.

What is epicenter.

500

 During an equinox, the length of day and night is:

a. Longer at the poles                                                   

b. Longer at the equator                                             

c. Approximately equal

d. Highly variable


  

c. Approximately equal

500

What is the first indication that a tsunami might be approaching a coastline?

A rapid retreat of the sea from the shore  

500

What is the primary cause of Earth's seasons?

Earth's tilt on its axis.

500

When the Northern Hemisphere experiences winter, the Southern Hemisphere experiences:


What is summer?