Rapid Changes on Earth

The study of earthquakes is called...

• seismology
• cartography
• geography
• biology

The molten rock BENEATH Earth's surface is called...

• volcano
• crust
• magma
• epicenter

Sudden movement of loose rock and soil down a steep slope is called a...

• avalanche
• landslide
• earthquake
• creep

The ______________ is the point UNDERGROUND where an earthquake starts.

• fault line
• epicenter
• center
• focus

A very large ocean wave that is caused by an underwater earthquake is a/an...

• flood
• tsunami
• rockslide
• weathering

Movements of Earth's crust usually take place along a/an...

• ocean
• mountain
• fault line
• focus

A/An _______________ is a sudden movement of part of Earth's crust.

• earthquake
• volcano
• tsunami
• landslide

An earthquake is felt most strongly, or has the greatest intensity at the...

• top
• focus
• fault line
• epicenter

The slow, continuous movement along a fault line is called...

• focus
• seismology
• creep
• tsunami

A/An ________________ is an opening in Earth's crust through which hot ash, gases, and molten rock escape.

• volcano
• fault 
• earthquake
• creep