Constructive and Destructive Forces Technology

Front

A seismologist is a scientist who studies ____________

Back

earthquakes

Front

How can a town stop beach erosion without causing erosion in other places?

Back

plant plants on beach dunes

Front

How do storm drains help prevent flooding?

Back

They allow storm water to flow into nearby waterways.

Front

Coastal erosion is reducing the size of a town's beach. Town leaders want to understand how to use technology to control the erosion. Which question should the leaders ask?

Back

How do groins trap sand?

Front

How are dams and levees alike?

Back

Both control floods.

Front

What is coastal erosion?

Back

The process where coastlines are worn away by waves, currents, and tides.

Front

What is a dam?

Back

A barrier built to hold back water and control its flow.

Front

What is a levee?

Back

An embankment built to prevent the overflow of a river.

Front

What are groins?

Back

Structures built out into the water to prevent beach erosion.

Front

What is beach erosion?

Back

The loss of sand and land from the beach due to wave action.