Exploring Earthquakes
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Objective
I can describe the causes and effects of earthquakes.
Part 1 of 4
Warm-up video
NOVA PBS Official · 5:17Vetted channel
We don't generate video — this one is by NOVA PBS Official on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
The Cascadia Subduction Zone is a major fault line that spans from Vancouver Island to Northern California and is expected to have massive earthquakes every 500 years or so.
- 2
When the Cascadia Subduction Zone fault ruptures, it causes the water above it to rise and flow out in all directions, creating a tsunami.
- 3
If the Cascadia earthquake were to strike today, the coastline could suddenly sink by up to six feet, which would raise the sea level and increase coastal flooding risks.
Part 3 of 4
Practice
10 questions
What is a subduction zone?
The Cascadia Subduction Zone is located off the coast of which region?
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe one cause of earthquakes in the Cascadia Subduction Zone and one potential effect of a major earthquake in that region.”
Sample answer included in the free materials
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Teacher Guide
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