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Polar Bears’ White Fur

Polar bears live near the North Pole, a frigid region covered by white ice and snow. The bears are protected by their thick, white fur. But what makes a polar bear’s fur white? In this episode of Earth Rangers, an expert on polar bears reveals that the hair of polar bears is actually translucent, with only small amounts of white pigment. Listen to a scientist explain what is responsible for the white color of polar bears’ fur—and why the fur sometimes changes color.

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Story Length: 3:34

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

Listening Organizers

  • Fact, Question, Response

  • Language Identification Organizer

  • Deeper Meaning Chart