Lesson 7 Section 2 - Hazards from Earthquakes can be Reduced

True or False?

Most of the damage that earthquakes cause is to buildings and structures

• True

• False

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NGSS.MS-ESS3-2

True or False?

Most of the damage from an earthquake in San Francisco in 1906 was caused by gas pipes breaking

• True

• False

Which is more dangerous to build a city on?

• Loose sediment

• Solid rock

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NGSS.MS-ESS3-2

Engineers have to take steps to design building that do not cave in during strong earthquakes

Put these steps in order

• Test the design by creating models of buildings and placing them on shaking machines

• Observe how well the models hold up and make changes

• Come up with a design

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​ (a)   maps show where earthquakes have occurred.

• Seismic hazard
• Physical
• Road

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NGSS.MS-ESS3-2

Even though people cannot ​ (a)   earthquakes , they can prepare for them. A ​ (b)   , like this one, shows the ​ (c)   of earthquakes that have already occurred. Cities can use maps like this to make ​ (d)   that help protect people.

• seismic hazard map
• prevent
• patterns
• building codes

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NGSS.MS-ESS3-2