p3 - energy resources
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17 Terms
what is fuel in a nuclear power station
uranium
- plutonium
why is nuclear energy more efficient than fossil fuels
as it releases more energy per kg
what are biofuels
a fuel taken from living or recently living organisms
biofuel examples
ethanol and methane
wave power
generates electricity by waves spinning a floating turbine
hydroelectricity
when water running downhill turns a turbine
tidal power
a tidal power station traps high tides and uses it to turn generators
what do solar heating panels do
use the sun's energy to heat water directly
where does geothermal energy come from
the energy transferred by radioactive substances deep inside the earth
how does geothermal energy work
water is pumped into the ground, gets heated and the steam that comes out turns a turbine to generate electrcity
what do nuclear fuels produce
nuclear waste
downside of renewable energy
it can harm some animal habitats
how can energy resources be evaluated
- reliability
- environmental effects
- pollution
- waste
why are fossil fuels good
can meet demand spikes
what is the downside of carbon capture
expensive
downsides of nuclear
expensive to build, run and decommision