Lesson 4: Solar Power

Question 1

Sustainability Definition

Answer 1

The ability to be maintained at a certain rate or level.

Question 2

Explanation of how photovoltaic produce electricity

Answer 2

When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electrical field in the cell, causing electricity to flow.

Question 3

what percentage of Australia’s power comes from renewable sources

Answer 3

The renewable power percentage as of 2023 is 18.96%.

Question 4

what percentage of Australia’s power comes from non-renewable sources

Answer 4

The fossil fuels included are 75% coal red power plants of Australia’s electricity production, and 15% of natural gas.

Question 5

Identify three countries that also utilise renewable energy sources. What percentage of their energy comes from renewable and non-renewable sources?

Answer 5

Iceland- 85% of primary energy supply is renewable and 15% non-renewable
Norway- 98% of electricity is produced from renewable resources and 2% non-renewable
Paraguay- 100% of energy exports is from renewable resources.

Question 6

Disadvantages of using solar power

Answer 6

• Weather Dependent
• Solar Energy Storage is Expensive
• Uses a Lot of Space
• Associated with Pollution

Question 6

Advantages of using solar power

Answer 6

• Reduces Electricity Bills
• Diverse Applications
• Low Maintenance Costs
• Technology Development