Physics - 4PH1 PearsonEdexcel

Energy Resources And Electricity Generation

Akopọ

The electricity that powers homes, schools and hospitals has to come from somewhere. Some stations burn coal or gas, others split uranium atoms, and a growing number harness wind, water and sunlight. Each method transfers energy through a different chain, and each carries its own balance of benefits and drawbacks.

In this lesson you will trace the energy transfers that occur in fossil fuel, nuclear, wind, hydroelectric, tidal, geothermal and solar power systems. You will then compare renewable and non-renewable resources, weighing reliability, cost, environmental impact and supply - the kind of comparison that appears regularly on Edexcel Papers 1 and 2.

Awọn Afojusun

  1. Describe the energy transfers involved in generating electricity using wind, water, geothermal resources, solar heating systems, solar cells, fossil fuels and nuclear power
  2. Describe the advantages and disadvantages of methods of large-scale electricity production from various renewable and non-renewable resources

Akọ̀wé Ẹ̀kọ́

Flick a light switch and a power station hundreds of kilometres away responds in fractions of a second. Behind that switch sits a chain of energy transfers that begins with a fuel or a natural force and ends with electrical energy flowing through the National Grid. The type of resource at the start of that chain determines the cost, the reliability and the environmental footprint of every unit of electricity delivered.

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Ìdánwò Ẹ̀kọ́

Oriire fun ipari ẹkọ lori Energy Resources And Electricity Generation. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  1. In a fossil fuel power station, what is the correct order of energy transfers? A) Chemical -> kinetic -> thermal -> electrical B) Chemical -> thermal -> kinetic -> electrical C) Thermal -> chemical -> kinetic -> electrical D) Chemical -> electrical -> thermal -> kinetic Answer: B
  2. Which of the following is a non-renewable energy resource? A) Wind B) Tidal C) Uranium D) Geothermal Answer: C
  3. Which energy resource converts light energy directly into electrical energy without any moving parts? A) Wind turbine B) Solar heating panel C) Solar cell D) Hydroelectric dam Answer: C
  4. What is the main energy transfer in a hydroelectric power station? A) Chemical -> electrical B) Nuclear -> thermal -> electrical C) Gravitational potential -> kinetic -> electrical D) Thermal -> kinetic -> electrical Answer: C
  5. Which renewable energy resource is most predictable and reliable? A) Wind B) Solar C) Tidal D) Bio-fuel Answer: C

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

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