Changes in Geosphere 5-6

Front

What is the purpose of base isolation?

Back

To absorb the impact of an earthquake

Front

What is an estuary?

Back

A tidal mouth of a large river.

Front

What is the purpose of a levee?

Back

To prevent the overflow of a river

Front

What is a storm surge?

Back

A rising of the sea as a result of atmospheric pressure changes and wind associated with a storm.

Front

What are stilts used for?

Back

To support a structure that might otherwise be damaged by water

Front

What is the function of a seawall?

Back

To protect the shore from waves and erosion

Front

What is a floodplain?

Back

An area of low-lying ground adjacent to a river

Front

What is the purpose of a dam?

Back

To store and control water flow.

Front

What is a tornado?

Back

A violently rotating column of air touching the ground

Front

What is a shear wall?

Back

a structural support element that resists forces like heavy wind or seismic activity