

Day 4 - Plate Motion Engineering Internship
Presentation
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Science
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6th - 8th Grade
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Practice Problem
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Medium
+1
Standards-aligned
Caitlin Stiegler
Used 29+ times
FREE Resource
30 Slides • 12 Questions
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Day 4 - Plate Motion Engineering Internship

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Poll
Would you rather...
Live on the beach
Live in the mountains
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Multiple Choice
Mountains and ocean trenches are found at ________ boundaries.
convergent
divergent
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Multiple Choice
Mid-ocean ridges are found at ________ boundaries.
convergent
divergent
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Multiple Choice
Which areas are more likely to have earthquakes that can cause tsunamis? Why?
convergent boundaries
divergent boundaries
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As we read: Answer and discuss slide 4
1) How do tsunamis work?
2) What boundary type should we put sensors near?
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Multiple Choice
Why are tsunamis more likely to happen at convergent plate boundaries?
Because the plates are moving apart, there is no where else for the water to go but up.
The sideways movement of the plates causes the water to displace upward.
When the plates move together and one subducts, it causes an upward displacement of water.
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Multiple Choice
True or False: You will find a lot of tsunamis near divergent plate boundaries.
True
False
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Multiple Choice
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Multiple Choice
How could you interpret the data in the summary flag for this sensor?
This sensor isn’t working, (not helping detect any earthquakes or tsunamis)
There aren't any earthquakes or tsunamis at that sensor
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Multiple Choice
Did this sensor detect tsunamis?
YES, it detected five tsunamis (1 was a false alarm)
NO, because it broke
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Multiple Choice
Which of the following is NOT one of the criteria for your TsunamiAlert design?
Maximize average warning time.
Minimize false alarms.
Creating a safe location for people.
Minimize costs.
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Poll
How could you change the sensor placement to avoid a false alarm like this one?
Move the shallow sensor farther away beyond where the local tsunami wave reaches
Remove one or more of the sensors
Something else (write in google chat)
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Poll
How could you interpret the data for this earthquake?
This is an ocean-wide tsunami. The earthquake that caused it was strong—8.2—and on a convergent plate boundary.
The earthquake sensor doesn’t have a flag, so it didn’t detect anything. It’s probably too far from the earthquake.
Sri Lanka did not receive any warning for this tsunami that reached its shores. 0 minutes warning won’t help people get to safety.
The shallow sensor broke because it was too close to the earthquake. It might have helped give a warning if it didn’t break.
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Day 4 - Plate Motion Engineering Internship

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