Energy

Question 1

Energy transfers

Answer 1

Mechanically, Electrically, by Heating, by Radiation (light/sound)

Question 2

Energy stores (8)

Answer 2

Chemical, Kinetic, Gravitational, Elastic, Thermal, Magnetic, Electrostatic, Nuclear

Question 3

Energy sources (8)

Answer 3

wind, HEP, Tidal, geothermal, solar heating, solar cells, fossil fuels, nuclear power

Question 4

how nuclear energy works

Answer 4

(nuclear store in uranium)<transfer>(thermal store in steam)<transfer mechanically(movement of steam)>(kinetic store in turbine)<electrical></electrical></transfer>

Question 5

how geothermal energy works

Answer 5

(thermal store in magma)<transferred>(thermal store in water/steam)<transferred>(kinetic store in turbine)transfer electrically from generator></transferred></transferred>

Question 6

how fossil fuels work

Answer 6

(chemical store in fuel source) <transfer> (thermal energy in steam) <transfer> (kinetic store in turbine)<transfer></transfer></transfer></transfer>

Question 7

how tidal energy work

Answer 7

(kinetic store in tides)<transfer>(kinetic store in turbine)<transfer></transfer></transfer>

Question 8

Hydroelectric Power

Answer 8

(gravitational potential energy store in reservoir)<mechanical>(kinetic energy store in water)<mechanical>(kinetic energy store in turbine)<transfer></transfer></mechanical></mechanical>

Question 9

how solar heating works

Answer 9

(nuclear energy in sun)<transferred>(thermal energy store in solar panel)<transfer></transfer></transferred>

Question 10

how solar cells work

Answer 10

(nuclear store in sun)<light>(electrostatic in panel)<electrical></electrical></light>

Question 11

nuclear advantages and disadvantages

Answer 11

Advantages:
no ghgs/pollutants
power station has a long lifespan if all goes well
produces very large quantity of electricity
Disadvantages:
possibly dangerous
radioactive waste
high cost to build

Question 12

geothermal energy advantages and disadvantages

Answer 12

Advantages:
renewable
reliable
Disadvantages:
location restricted
earthquakes location is near tectonic plate boundary

Question 13

Fossil fuels advantages and disadvantages

Answer 13

Advantages:
readily available
easy to produce energy
Disadvantages:
will run out
polluting

Question 14

tidal energy advantages and disadvantages

Answer 14

Advantages:
renewable
predictable energy source
low maintenance cost
Disadvantages:
may harm marine life
costly to build
location limits

Question 15

HEP advantages and disadvantages

Answer 15

Advantages:
Renewable
safe
reliable
disadvantages:
destroy habitats
potential to cause droughts
location dependent

Question 16

solar cells advantages and disadvantages

Answer 16

Advantages:
renewable
no pollution
Disadvantages:
expensive
Unreliable