SCIENCE | MIDDLE SCHOOL

Earthquake Damages Hydropower Systems

Earthquakes can have far-reaching consequences not just on homes but on the power infrastructure. A 2008 earthquake in Southwest China left officials and engineers monitoring the structural integrity of enormous hydroelectric dams built to generate power. A fear of flooding caused by a cracked dam led some to wonder if they had taken the strengths of the region, its rivers and irrigation systems, and turned them into a potential threat. Listen to learn how hydroelectric power systems impact places and people.

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Story Length: 3:40

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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”?

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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”?

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