Rapid Changes

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

• volcano
• crust
• magma
• epicenter

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

• flood
• tsunami
• rockslide
• weathering

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

• volcano
• fault 
• earthquake
• creep

Molten rock that reaches Earth's surface is called...

• smoke
• lava
• ash
• magma

Volcanoes, landslides, and earthquakes are examples of __________ changes to Earth's surface.

• sudden
• slow
• gradual
• slight

________ or quick changes can occur to our Earth within minutes or even seconds.

• rapid

• large

• small

• slow

Earthquakes also can change the land at a fast pace and can cause ________ in the Earth's surface.

• Rapid

• cracks

• slow

Which layer of Earth is located above the outer core?

• crust
• inner core
• mantle
• lithosphere

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

• avalanche
• landslide
• earthquake
• creep

What land form is this?

• valley
• canyon
• plain
• mountain