Spotted dolphins and spinner dolphins

Image by Ricardo Liberato licensed under CC BY-SA 2.0

SCIENCE | MIDDLE SCHOOL

Tuna Fishing and the Dolphin Morgue

When people started using large nets to capture tuna in the 1960s, many spotted dolphins were killed because they were found living with tuna. Scientists responded by sending “observers” on tuna boats to keep track of the number of dolphins killed. Listen to hear from a scientist who is studying the spotted and spinner dolphins to try to learn how to preserve dolphin populations.

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Story Length: 5:26

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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

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