Physics 2 Flashcards
Why are fossil fuels non-renewable?
they take millions of years to form meaning they can’t be replenished.
What are advantages of using Tidal?
It's renewable reliable minimal running costs generates a lot of energy no pollution
What are some disadvantages to using Tidal?
Expensive to set up
ruins view and landscape
alters habitats and affects wildlife
prevents access to boats along the river
What are some advantages of using solar?
it’s renewable
no pollution
no fuel costs
can be used in remote locations
What are some disadvantages of using solar?
only produces electricity during the day time meaning its not reliable
expensive for large-scale use
expensive to set up
What are some advantages of using wind?
renewable
no pollution
no fuel costs
What are some disadvantages to using wind?
will only produce electricity when there is wind- not reliable
spoils view
noisy
expensive to set up
What are some advantages of using Biomass?
renewable
carbon neutral
releases energy quickly
can be used in vehicles as well as power stations
What are some disadvantages of using biomass?
environmental impact of deforestation
combustion of vegetation increases co2 emissions
What are some advantages of using hydroelectricity?
renewable
no direct pollution
no fuel costs
reliable
What are some disadvantages of using hydroelectricity?
environmental impact of dam construction environmental impact of flooding expensive to set up cannot work in drought kills plants by flooding valleys which rot and release co2
What are some advantages of using geothermal?
renewable
no pollution
no fuel costs
What are some disadvantages of using geothermal?
costs of drilling
limited availability of suitable locations
How do we meet demand?
Renewables are used when demand is high or conditions are right, we use nuclear and coal power stations to provide the base load demand.
