4 (a) State two non-renewable energy sources - Edexcel - GCSE Physics Combined Science - Question 4 - 2018 - Paper 1
Question 4
4 (a) State two non-renewable energy sources.
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(b) Figure 5 shows the renewable energy sources used in the UK in 2015.
Figure 5 is to scale.
(i) State the ener... show full transcript
Worked Solution & Example Answer:4 (a) State two non-renewable energy sources - Edexcel - GCSE Physics Combined Science - Question 4 - 2018 - Paper 1
Step 1
State two non-renewable energy sources.
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Answer
Two non-renewable energy sources are:
Natural gas
Coal
Step 2
State the energy source that gave the greatest amount of renewable energy for the UK in 2015.
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Answer
The energy source that provided the greatest amount of renewable energy in the UK in 2015 is wind energy.
Step 3
Justify your choice of energy source in part (i).
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Answer
Wind energy was the greatest due to its significant contribution in terms of generation capacity and usage. As depicted in Figure 5, wind energy has a larger segment of the pie chart, indicating a higher percentage of total renewable energy generation in the UK. This was aided by advancements in technology and an increase in wind farm installations during that period.
Step 4
State which of these energy sources gave about 20% of the energy from renewable sources for the UK in 2015.
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Answer
The sources that provided approximately 20% of the energy from renewable sources for the UK in 2015 are bioenergy and hydro energy.
