National & Global Energy Resources

Question 1

What are the Advantages and Disadvantages of geothermal energy

Answer 1

Ad:
-no pollutants
-low running cost
Dis:
-set up is expensive
-only available in a few locations

Question 2

What are the Advantages and Disadvantages of hydroelectric power

Answer 2

Ad:
-No pollutants
-no waste
-low running cost
-no fuel
-reliable
-controlled to meet demand
Dis:
-set up is expensive
-dams can destroy aquatic environment

Question 3

What are the Advantages and Disadvantages of Biofuels

Answer 3

Ad:
-can be carbon neutral
-reliable
Dis:
-land/water that could be used for growing food
-expensive to produce

Question 4

What are the disadvantages of wind turbines

Answer 4

-unreliable
-dependant on the weather
-cannot control the supply
-takes up a lot of space
-noise + eye pollution

Question 5

What are the main Advantages and Disadvantages of wave turbines

Answer 5

Ad:
-No pollutants
-no waste
-low running cost
-no fuel
Dis:
-unreliable
-weather dependant
-cannot control supply
-set up is expensive
-harm aquatic habitats
-hazard for boats
-not used on a large scale

Question 6

What are the main Advantages and Disadvantages of using tidal power

Answer 6

Ad:
-no pollutants
-reliable
-produces large amounts of energy
-low running cost
-no fuel
Dis:
-Harm aquatic habitats
-set up is expensive
-cannot increase the supply
-energy varies each day
-hazard for boats

Question 7

What are the main Advantages and Disadvantages of solar energy

Answer 7

Ad:
-used in remote places
-no pollutants
-very low running cost
Dis:
-only available during the day
-cannot control the supply
-set up is expensive
-cannot be used on large scale

Question 8

What is non-renewable and renewable energy

Answer 8

An energy source that will eventually run out, it’s not replaced at the same rate it’s being used
An energy source that will not run out, it is (or can be) replaced at the same rate it is being used

Question 9

What are the main Advantages and Disadvantages of nuclear fuel

Answer 9

Ad:
-lots of energy released from small amounts
-reliable
-can control supply to meet the demand
-enough to meet demand
-no pollutant gases
Dis:
-waste is dangerous and difficult and expensive to dispose of

Question 10

What are the main Advantages and Disadvantages of using coal as an energy resource

Answer 10

Ad:
-enough available to meet current demand
-reliable
-can control supply to meet demand
-cheap to extract and use
Dis:
-will eventually run out
-releases CO2
-contributes to climate change/global warming
-releases sulfur dioxide which causes acid rain

Question 11

What are the main renewable and non-renewable energy resources available on Earth

Answer 11

Renewable:
wind, solar, tidal, wave, geothermal, biofuel, hydroelectric
Non-Renewable:
coal, oil, gas, nuclear