Top 5 Largest Hydroelectric Dams Quiz
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Questions and Answers

What is the world's biggest source of renewable energy?

  • Solar
  • Geothermal
  • Wind
  • Hydroelectricity (correct)

    • How do hydroelectric power stations generate energy?

  • By utilizing solar panels
  • By capturing wind energy
  • By harnessing geothermal heat
  • By using water flow to spin a turbine (correct)

    • What is the primary concern about the long-term sustainability of hydropower?

  • Causing flooding and disrupting wildlife (correct)
  • Dependence on weather conditions
  • Limited energy output
  • High maintenance costs

    • What is installed capacity in the context of hydroelectric power plants?

    <p>Maximum amount of power that a plant can generate under full load</p> Signup and view all the answers

    What is the installed capacity of China's Three Gorges Dam?

    <p>22.5 GW</p> Signup and view all the answers

    Which dam has an installed capacity close to double the second-place Itaipu Dam?

    <p>China's Three Gorges Dam</p> Signup and view all the answers

    What is the annual output comparison between Itaipu Dam and Three Gorges Dam?

    <p>They produce about the same amount of electricity</p> Signup and view all the answers

    What impact did the construction of Three Gorges Dam have on earthquakes and landslides?

    <p>Triggered over 3,000 earthquakes and landslides since 2003</p> Signup and view all the answers

    What impact did the construction of Three Gorges Dam have on the Earth's rotation?

    <p>Slowed the Earth’s rotation by 0.06 microseconds</p> Signup and view all the answers

    What is a concern related to large upstream reservoirs for hydroelectric dams?

    <p>Disruption of wildlife and water quality</p> Signup and view all the answers

    What is a consequence experienced by river-dependent populations located downstream of large dams?

    <p>Food insecurity and flooding</p> Signup and view all the answers

    What risk does climate change pose to hydropower?

    <p>Rising frequency of droughts making hydroelectric dams less economical</p> Signup and view all the answers

    What is the installed capacity of China's Three Gorges Dam?

    <p>22.5 GW</p> Signup and view all the answers

    What is the annual output comparison between Itaipu Dam and Three Gorges Dam?

    <p>They produce about the same amount of electricity</p> Signup and view all the answers

    How much did it cost to construct the Three Gorges Dam?

    <p>$32 billion</p> Signup and view all the answers

    What impact did the construction of Three Gorges Dam have on earthquakes and landslides?

    <p>Triggered over 3,000 earthquakes and landslides since 2003</p> Signup and view all the answers

    What is a concern related to large upstream reservoirs for hydroelectric dams?

    <p>Disrupting wildlife and degrading water quality</p> Signup and view all the answers

    What is a consequence experienced by river-dependent populations located downstream of large dams?

    <p>Food insecurity and flooding</p> Signup and view all the answers

    What is perhaps the greatest risk to hydropower according to the text?

    <p>Climate change itself</p> Signup and view all the answers

    What is the mass of water contained in the Three Gorges Reservoir?

    <p>39 trillion Kg (42 billion tons)</p> Signup and view all the answers

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