Weathering and erosion

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SCIENCE | MIDDLE SCHOOL

Beach Erosion Threatens Infrastructure

What happens when human structures and nature come into conflict? Ocean Beach in San Francisco is naturally eroding, but the consequence of this shifting shoreline is that a sewage treatment plant is put in peril. Without intervention, raw sewage could be dumped into the ocean. A rock wall has temporarily stabilized the pipeline, but not without complications. Listen to learn about the other solutions that are being considered, including construction of an artificial dune.

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Story Length: 6:04

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Listening Comprehension Questions

  • In what ways did Andrew Carnegie’s libraries serve their communities?
  • How did Carnegie benefit from a library when he was growing up?
  • Which personality traits helped propel Carnegie from poverty to riches? Bring specific details from the story to support your ideas.
  • According to Carnegie, what should rich people do with their money and why? Why was Carnegie known as both generous and “brutal”?

Discussion Themes

  • In your opinion, what should really rich people do with their fortunes?
  • What does it take for a person to rise from “rags to riches”?

Socrative users can import these questions using the following code: SOC-1234

Listening Organizers

  • Fact, Question, Response

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  • Deeper Meaning Chart