Earthquakes
Volcanoes
Tsunamis
Tectonic Plates
Earth's Layers/Grab Bag
100

A violent shaking of the ground caused by plate movement is a

What is an earthquake? 

100

The type of volcanoes found on the Hawaiian Islands which are quiet is called a

What is a shield volcano? 

100
What area does tsunamis occur most?
Pacific Ocean
100

The cracks in the plates are called

What are faults?

100
True or False? The inside of the earth contains higher temperature and pressure.
True
200

cover head, listen to directions, stay away from objects that could fall on you or break. 

What are some earthquake safety tips? 

200
What are cinder cone volcanoes?
Volcanoes formed from ash, cinders, and explosive bombs creating a big cone.
200

The Japanese word for Tsunami means

What is another name for a harbor wave? 

200

Alfred Wegener developed a theory that all plates were once all together. His theory was called

What is continental drift theory?

200

The Pacific plate boundary where most of the earthquakes and volcanoes occur on the Earth and has this special name.  

What is the Ring of Fire? 

300

measures energy in earthquakes in a logarithmic way

What is the Richter scale? 

300
What are composite volcanoes?
Tall volcanoes from alternating ash, cinder, and bombs.
300
What natural disaster creates tsunamis?
Earthquakes
300
What is it called when one plate moves horizontally to each other?
Strike-Slip Fault
300

Explosive volcanoes are deadly because of

Why are pyroclastic flow so deadly? 

400
The rapid releases of energy creates ____.
seismic waves
400
Volcanoes are formed by ___ ___ ____
tectonic plates colliding.
400

One of the most destructive tsunami's in the last 20 years occurred in the

What is the Pacific Ocean

400
What is a tectonic plate?
Irregular shaped slab of rock
400
What is the state of matter of the Outer Core?
Liquid
500

Each magnitude on the Richter scale has how much more energy than the next smaller magnitude.

What is the energy change in the Ritcher scale? 

500
What is the difference between magma and lava?
Magma is formed from volcanoes underground, and when the magma reaches the surface, it becomes lava.
500
Most tsunamis are caused by earthquakes generated in a _______ zone.
subduction
500
What is the landmass called before the plates started to move a LONG time ago?
Pangaea
500
The inner core mainly consists of _____.
Iron
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