3.3 Power from the sun and the earth Flashcards
1
Q
Solar cells are …. solid cells and uses what energy
A
the suns energy to generate electricity directly
2
Q
What heats water directly
A
The suns energy
3
Q
Where does Geothermal energy come from
A
radioactive substances deep inside the earth
4
Q
what produces steam to drive turbines
A
water pumped into hot rocks underground
5
Q
What do fossil fuels produce
A
it increases levels of greenhouse gases, which can cause global warming. which could cause global warming
6
Q
what do nuclear fuels produce
A
radioactive waste
7
Q
renewable energy resources info
A
they don’t produce harmful waste products and will never run out
