ENVSCI FINAL MIDTERM EXAM REVIEW #2

What does OTEC rely on to generate electricity?

• Ocean currents

• Temperature gradients

• Wind speeds over water

• River flow

Tags

NGSS.HS-PS3-4

Which renewable resource generates more energy than hydropower, excluding biomass?

• Solar energy

• Wind energy

• Ocean energy

• None

Why might hydropower not expand further in the U.S.?

• Lack of rivers suitable for dams

• High pollution

• Low efficiency

• Lack of funding

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

Which country’s Yangtze River hosts the Three Gorges Dam?

• India

• United States

• China

• Brazil

What major issue has the Three Gorges Dam caused?

• Increased air pollution

• Flooding of cities and farmlands

• Lack of energy production

• Displacement of wildlife

Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4

NGSS.HS-ESS2-2

NGSS.HS-ESS2-7

What is one way hydropower affects sediment movement?

• Prevents nutrients from flowing downstream

• Increases downstream sediment

• Reduces erosion entirely

• Adds pollutants to water

Tags

NGSS.HS-ESS3-4

NGSS.HS-ESS2-5

Where is tidal energy most effective in generating electricity?

• Open oceans

• Wide bays

• Narrow bays

• Rivers

What is a common method for generating electricity using dams?

• Solar panels on the dam

• Water passing through turbines

• Heating water with coal

• Blocking sunlight with the dam

Tags

NGSS.HS-ETS1-2

NGSS.HS-PS3-3

Which fish population is heavily impacted by dams?

• Tuna

• Salmon

• Trout

• Catfish

Tags

NGSS.HS-LS2-7

What is Ocean Thermal Energy Conversion (OTEC)?

• Using ocean waves for power

• Converting ocean temperature differences into electricity

• Extracting oil from ocean floors

• Using tides for irrigation

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-2