catastrophic events

A sudden shift in the earth's crust is called a...

• Earthquake 

• Volcano 

• Tsunami

• Flood

A large wave created by an underwater earthquake is called a...

• Earthquake 

• Hurricane

• Tsunami 

• Flood

When lava or ash spew from a mountain vent, what catastrophic event does this describe? 

• Volcano 

• Drought

• Wildfire

• Meteor

A long period with no rain is called a...

• Earthquake

• Wildfire

• Drought

• Tornado 

Hurricanes typically form over...

• cold ocean water. 

• tropical rain forests. 

• warm ocean water. 

• very dry land masses. 

Tornadoes can negatively affect an ecosystem when

• the saltwater they bring kills off burrowing insects

• their strong winds uproot many of the important plants

• the rise in water level they produce introduces harmful salt

• they bring higher temperatures favored by birds

Which of the following correctly matches the catastrophic event with its impact?

• Heavy flooding increases the number of species in an area.

• A tornado causes seawater to move onto the coast.

• A hurricane increases erosion and makes a beach smaller.

• A wildfire increases the number of habitats for organisms.

What catastrophic event could cause contaminated water?

• Tornado

• Flood

• Forest Fire

• Volcanic Eruption

If a hurricane destroyed an entire U.S. city, what category would it most likely be?

• Category 1 or 2

• Category A or B

• Category X or Y

• Category 4 or 5

a rating scale developed in 1970 by the scientist T. Theodore Fujita to categorize tornadoes and their relative strength

• meteorologist

• Fujita Tornado Scale

• moisture

• Tornado Alley