Killer whales

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SCIENCE | MIDDLE SCHOOL

Killer Whales Echolocate Loudly

Have you ever heard a killer whale? Biologists studying killer whales face the challenge of studying organisms that spend a majority of their time underwater. This public radio story goes underwater to hear what whales sound like and looks at the reasons scientists are willing to work so hard to study them. In addition, the story explores the adaptations that different populations of killer whales have evolved to capture prey.

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Story Length: 5:08

Listen to the Story:

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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