Secondary electricity

Question 1

Kinetic energy

Answer 1

-Kinetic energy spins electrical conductor , it can be created through thermal energy

Question 2

2 features of a nuclear power station

Answer 2

-Control rods , absorb neutrons to control power output
-Generator , produces electricity

Question 3

From light energy

Answer 3

-Photons cause free electrons to flow along a conductor to against a charge , this movement generates electricity

Question 4

2 Advantages if using electricity

Answer 4

-easy to transport
-No polltion is caused when used

Question 5

2 disadvantages of using electricity

Answer 5

-conversion is not very efficient
-Storage is difficult

Question 6

2 uses of hydrogen

Answer 6

-combustion to produce heat
-combination of oxygen and hydrogen for fuels cells producing water and releasing energy

Question 7

2 forms of hydrogen storage

Answer 7

-Compressed gas , disadvantage is energy is required to run compressor
-Liquification at a high pressure and low temperature but energy is required for refrigeration