EES 2.1.2

Hot gases and lava flow from...

• faults
• volcanoes
• glaciers
• earthquakes

Which of these often occur as the Earth's crustal plates move?

• earthquakes
• floods
• tornadoes
• hurricanes

Mountains are formed by...

• wind slowly building up rocks
• erosion
• lowering of the sea level
• folding and faulting of the Earth's crust

Where are earthquakes and volcanoes likely to occur?

• anywhere
• at boundary plates (fault lines)
• on mountains

What do earthquakes tell scientists about the history of the planet?

• Earth's climate is constantly changing.
• The continents of Earth are continually moving.
• Dinosaurs became extinct about 65 million years ago.
• The oceans are much deeper today than millions of years ago.

An earthquake is caused by a crack in the crust called a __________.

• fault
• dam
• plates
• transform

Volcanoes and earthquakes are both _______________ and ______________ processes because they can destroy AND build up the Earth.

• divergent and destructive
• constructive and destructive
• convergent and divergent
• sediment and weathering

How are new islands in Hawaii formed?

• wind erosion

• volcanic activity

• sediment deposits

• weathering

Where is the point on the Earth’s surface directly above the focus of an earthquake?

• Epicenter
• Fault
• Hypocenter
• Tremor

How is a tsunami different than an earthquake?

• a tsunami is longer
• an earthquake is longer
• A tsunami happens in the ocean
• an earthquake can cause a tsunami