Hockersmith Volcano and Earthquake Review

Earthquakes

100

Today, people are never killed by earthquakes...True or False

False

200

Breaks in earths crust are called fractures.....true or false

false...faults 

300

The larger a force is applied at a fault, the SMALLER the chance is for an earthquake...true or false

false

400

Most earthquakes occur in the center on continents...true or false

false 

500

In a strike-slip fault, the two blocks of land move side by side...true or false?

true 

Volcanoes

100

cinder cone volcanoes form quiet eruptions...true or false

false 

200

Volcanoes can form on the ocean floor...true or false

true

300

Where can volcanoes occur? A) convergent plate boundaries B) Divergent plate boundaries C) Over hot spots D) All of the above 

D 

400

Instruments that record seismic activity

Seismometer or seismograph

500

Give three things you can do during an earthquake to stay safe

Get away from windows, get under something, cover your head, have a first aid box near, have an emergency plan, fire extinguisher, etc. 

Earthquakes

100

When the force on rocks is great enough, they break, producing vibrations called

Earthquakes

200

Which movement of blocks of land creates an earthquake? a) sliding past each other B) moving towards each other C) Moving away from each other D) All of the above

D

300

The Mercalli scale will measure the magnitude of an earthquake..true or false?

false- Richter scale 

400

A normal fault occurs where two blocks or rock pull apart...at which plate boundary does this occur?

Divergent

500

"We all got scared and ran outside, the house was okay but the shed fell over and was destroyed" This quote would help a researcher place an earthquake on which scale?

Mercalli Scale 

Earthquakes

100

The _____ waves are the first to arrive a seismograph station

primary 

200

The most destructive seismic waves are

surface waves

300

At a ______ fault, rocks on either side of the fault move past each other

strike slip 

400

Along a _____ fault, rock moves upward and towards a rock in relation to it

reverse 

500

Along a ______ fault, rock moves downward in relation to the rock next to it

normal 

Earthquakes

100

The point in earths surface where the energy release of an earthquake occurs is the 

focus 

200

The ___ Wave reaches the seismograph station after the P wave.

S 

300

A scientist who studies earthquakes is called a 

seismologist

400

A graphical illustration of the earthquake waves on paper

seismogram

500

Waves that travel outward from the epicenter

Surface waves