Earthquake & Volcano Review

The cracks in Earth’s crust are called __. Ridges Continents Tunnels Faults

D. Faults

A Seismic waves B. Rolling waves C. Breaking waves D. Earth waves Waves of energy generated (started) by an earthquake that travel through earth are called ___. A Seismic waves B. Rolling waves C. Breaking waves D. Earth waves

A. Seismic waves

Trigger Center Epicenter Breaking point The point on Earth’s surface where the earthquake is the strongest & most damaging is called the ___. Trigger Center Epicenter Breaking point

C. Epicenter

Core Focus Rock Fall Mantle The area under Earth’s surface where rock is stressed until it breaks & starts an earthquake is called the ___. Core Focus Rock Fall Mantle

B. Focus

Mercalli Scale Richter Scale Earthquake Scale Geiger Scale Roman numerals are used in the scale that shows the reported damage level in an area hit by an earthquake. Which scale is this? Mercalli Scale Richter Scale Earthquake Scale Geiger Scale

A. Mercalli Scale

The earthquake in Japan was reported as a 9. 0 on the Richter Scale The earthquake in Japan was reported as a 9.0 on the Richter Scale. What does this mean? How long the quake lasted The size/magnitude of the quake The time of day the quake began How much it will cost for repairs

B. The size/magnitude of the quake

Geysers Tsunamis Volcanoes Earthquakes What is the term for a formation near a weak spot in Earth’s crust where magma comes up to the surface? Geysers Tsunamis Volcanoes Earthquakes

C. Volcanoes

A mountain range An island arc A trench A subduction zone A string of islands that forms where 2 convergent plates collide is called ___. A mountain range An island arc A trench A subduction zone

B. An island arc

Choose 2 examples of island arcs. The Hawaiian Islands The Mexican Islands The Caribbean Islands The Aleutian Islands

C. The Caribbean Islands D. The Aleutian Islands

Hot Springs & Geysers are 2 examples of __ Hot Springs & Geysers are 2 examples of __. These may be found near areas of past or present volcanic activity. Areas of geothermal activity Areas where old people live Areas of muddy water Areas where the ground is cooler

A. Areas of geothermal activity Earth Heat

In the outer core In the inner core In the mantle In the crust Where does magma form? In the outer core In the inner core In the mantle In the crust

Magma forms in the MANTLE! C.

Do volcanoes form at transform boundaries?

No. They form at subduction zones @convergent boundaries.

Where do the Hawaiian Island form?

In the Pacific Ocean over a HOT SPOT.

If a volcano erupts ___, the magma is thin and flows easily. Explosively Quietly Pyroclastically Strobolian

B. Quietly Explosively would be thick & sticky B. Quietly Explosively would be thick & sticky. The other two don’t make any sense 

Name the volcano type:

1. Cinder cone 2. Shield 3. Composite

Caldera Cinder Cone Shield Composite Wide, gently sloping volcanic mountains like the ones in Hawaii are called __. Caldera Cinder Cone Shield Composite

C. Shield

Cinder cone Shield Composite A tall, cone-shaped volcano that has explosive eruptions would be a __. Cinder cone Shield Composite

C. Composite

Cinder cone Shield Composite A cone shaped mountain that erupts ash, cinders, & bombs is a ___ volcano. Cinder cone Shield Composite

A. Cinder cone

Sea surge Caldera Tsunami Tidal wave Huge ocean waves created by an underwater earthquake or plate movement is a ___. Sea surge Caldera Tsunami Tidal wave

C. Tsunami

Fault Cavern Crater Caldera When a volcano collapses, a huge hole forms in the top. This called a ___. Fault Cavern Crater Caldera

D. Caldera

Why is it important to be able to predict where or when an earthquake may happen?