Earthquake & VolcanoReview

The cracks in Earth’s crust are called __.

A. RidgesB. ContinentsC. TunnelsD. Faults

D. Faults

Waves of energy generated (started) by an earthquake that

travel through earth are called ___.

A Seismic wavesB. Rolling wavesC. Breaking wavesD. Earth waves

A. Seismic waves

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

A. TriggerB. CenterC. EpicenterD. Breaking point

C. Epicenter

The area under Earth’s surface where rock is stressed until it

breaks & starts an earthquake is called the ___.

A. CoreB. FocusC. Rock FallD. Mantle

B. Focus

Roman numerals are used in the scale that shows the reported

damage level in an area hit by an earthquake. Which scale is this?

A. Mercalli ScaleB. Richter ScaleC. Earthquake ScaleD. Geiger Scale

A. Mercalli Scale

The earthquake in Japan was reported as a 9.0 on the Richter

Scale. What does this mean?

A. How long the quake lastedB. The size/magnitude of the quakeC. The time of day the quake beganD. How much it will cost for repairs

B. The size/magnitude of the quake

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

A. GeysersB. TsunamisC. VolcanoesD. Earthquakes

C. Volcanoes

A string of islands that forms where 2 convergent plates collide

is called ___.

A. A mountain rangeB. An island arcC. A trenchD. A subduction zone

B. An island arc

Choose 2 examples of island arcs.

A. The Hawaiian IslandsB. The Mexican IslandsC. The Caribbean IslandsD. The Aleutian Islands

C. The Caribbean Islands

D. The Aleutian Islands

Hot Springs & Geysers are 2 examples of __.

These may be found near areas of past or present volcanic activity.

A. Areas of geothermal activityB. Areas where old people liveC. Areas of muddy waterD. Areas where the ground is cooler

A. Areas of geothermal activity

HeatEarth

Where does magma form?

A. In the outer coreB. In the inner coreC. In the mantleD. 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.

A. ExplosivelyB. QuietlyC. PyroclasticallyD. Strobolian

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

Wide, gently sloping volcanic mountains like the ones in

Hawaii are called __.

A. CalderaB. Cinder ConeC. ShieldD. Composite

C. Shield

A tall, cone-shaped volcano that has explosive eruptions would be a

__.

A. Cinder coneB. ShieldC. Composite

C. Composite

A cone shaped mountain that erupts ash, cinders, & bombs is a

___ volcano.

A. Cinder coneB. ShieldC. Composite

A. Cinder cone

Huge ocean waves created by an underwater earthquake or plate

movement is a ___.

A. Sea surgeB. CalderaC. TsunamiD. Tidal wave

C. Tsunami

When a volcano collapses, a huge hole forms in the top. This

called a ___.

A. FaultB. CavernC. CraterD. Caldera

D. Caldera

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