(1) National and Global Energy Resources

Question 1

What is a renewable energy source?

Answer 1

Energy source which can be replenished as it is being used up

Question 2

Give 4 examples of renewable energy sources

Answer 2

• Wind energy
• Hydro-electric power
• Tidal energy
• Solar energy
• Wave power
• Geothermal energy

Question 3

Example of a non renewable energy source

Answer 3

Fossil fuels (coal, oil, gas)

Question 4

State the environmental issues of using fossil fuels

Answer 4

• Carbon dioxide emissions contributes to global warming
• Sulfur dioxide leads to acid rain which damages building and crops

Question 5

How is nuclear energy generated?

Answer 5

Comes from splitting atoms to create energy
Countries that use it include:
- Belgium
- Germany
- Finland
- France

Question 6

Name 3 advantages and disadvantages of nuclear energy

Answer 6

Advantages:
- no carbon emissions
- creates jobs
- lasts a very long time

Disadvantages:
- produces nuclear waste
- high risk of accident
- not renewable

Question 7

What is tidal energy generated from?

Answer 7

From the gravitational pull of the sun and moon, natural form of kinetic energy

Question 8

Name 3 advantages and disadvantages of tidal energy

Answer 8

Advantages:
- reliable because tides happen twice a day
- cheap to run (tides are natural)
- don’t produce greenhouse gases

Disadvantages:
- expensive to build
- can have impacts of ecosystems
- only produces energy when the tide goes in and out (10h per day)

Question 9

Name 2 advantages and disadvantages of solar panels

Answer 9

Advantages:
- doesn’t produce greenhouse gases
- renewable
- low maintenance

Disadvantages:
- take up space
- expensive to buy

Question 10

How is hydroelectric power produced?

Answer 10

Using a dam or river to generate electricity through a turbine

Question 11

Name 2 advantages and disadvantages of hydroelectric power

Answer 11

Advantages:
- reliable
- efficient

Disadvantages:
- expensive
- not always safe
- may cause flooding

Question 12

What social factors may act as a deterrent for certain types of energy production?

Answer 12

• visual pollution
• sound pollution
• safety

Question 13

What are the main environmental concerns with using different energy sources?

Answer 13

• can cause migration patterns to change
• produce toxic waste
• disturb habitats