Lesson 7 Section 4 - Hazards from Tsunamis Can Be Reduced

A ​ (a)   ​ is a damaging type of fast-moving wave often caused by underwater ​ (b)   or landslides.

• tsunami
• volcano
• hurricane
• earthquakes

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NGSS.MS-ESS3-2

Why does a tsunami get more dangerous in shallow water?

• Because people are probably there

• As it reaches shallow water is slows down and gets taller

• It gets smaller

• It gets faster

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NGSS.MS-PS4-2

True or False?

Tsunamis can move as fast as a jet airplane

• True

• False

Why is it important for people to know when a tsunami is coming?

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NGSS.MS-ESS3-2

Engineers designed the Pacific Tsunami Warning System to watch for possible​ (a)   around the​ (b)   . They tested this system ​many times to make sure that it worked. The system uses ​ (c)   on the ocean floor. If an earthquake happens in deep water, the sensors send data to stations. They ​ (d)   where the tsunami might go and when it will reach land. Then they send out ​ (e)   to these places

• tsunamis
• Pacific Ocean
• sensors
• predict
• warnings

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NGSS.MS-ESS3-2

Suppose you were an engineer building a tsunami warning system. Where would you place tsunami wave motion sensors and why?

• 1. On the ocean floor in deep water, so if an earthquake occurs, you have the most time to warn people.

• 1. On the ocean floor near the beach, so that they will detect large waves.

• 1. On the sand of the beach, because it is easier to get to than the ocean.

• 1. Inland, so the tsunami does not destroy the sensors.

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NGSS.MS-ESS3-2

NGSS.MS-ETS1-1

SHADE the areas that are at the highest risk of a tsunamis in RED

SHADE the areas with a medium risk of tsunamis in ORANGE

SHADE the areas with no risk of tsunamis in GREEN

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NGSS.MS-ESS3-2

Would we need to be prepared for a tsunami in Oklahoma?

• Yes

• No

I wanted to travel to Hawaii for a vacation.

Should I be prepared for a tsunami?

• Yes

• No

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NGSS.MS-ESS3-2