P1 Energy Flashcards
Nom-renewable energy resources are?
Fossil fuels and nuclear fuels
3 main fossil fuels are?
Coal,oil,(natural)gas
What is a non-renewable energy source?
A source of energy that wont last forever and will run out
What is a renewable energy source?
A source of energy that will never run out and we can keep using it
7 renewable energy sources
Sun,wind,water waves,hydro-electricity,bio-fuels,tides,geothermal
How can the wind produce energy?
Wind turbines use wind to turn the turbines which then makes energy
Do wind turbines created pollution?
No,they dont created pollution once they are built and dont even damage the land scape
How do solar cells generate electricity
From direct sun light
What is a con about renewable electricity
It needs to be ppwered by nature (sunlight,tides,wind)and sometimes there isnt enough so it dosent give as much energy as for example coal
Whats is a pro to renewable electricity?
It dosent damage the earth
What is hydro-electric power?
It is enegry that is used by water waves that go through a dam
What is a con about hydro-electricity
A lot of animal and plants lose their habitats as the valley get flooded
What are bio-fuels
Energy made by plants or animal poo
What are the enviromental problems with non-renewable energy sources?
They realise CO2 into the atmosphere when they are burnt,this leads to global warming.
Burning coal realises sulfur dioxide which causes acid rain which then kill our plants and tree it can also go into lakes and rivers and make them toxic and kill fish
Why is more energy demanded?
A rise in population(population growth),and other developing countries need electricity and energy to develope.