Tides Flashcards

1
Q

What is tidal power?

A

Form of hydro power that converts the energy from natural rise and fall of tides into electricity

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2
Q

What are the three types of tidal technologies?

A
  • tidal barrages
    -tidal fences
    -tidal turbines
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3
Q

What are tidal barrages?

A

A dam that utilises the potential energy when the height changes between tides. the energy turns a turbine

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4
Q

What are tidal fences?

A

Turbines that operate like turnstyles

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5
Q

Why does ocean currents produce more electricity then air currents?

A

Because water is 832times more dense than air, therefore putting more pressure on turbines

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6
Q

What are the pros with tidal power?

A

-easy to install
-renewable
-predictable
-long lived

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7
Q

What are the cons with tidal power?

A

-tides dont always match demand
-we dont yet know the effects on the marine life

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8
Q

What are intertidal tidal zones?

A

Area in between tides

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