Energy Resources
Muhtasari
Every light switched on, every journey taken and every factory running draws on an energy resource. Some of those resources, the coal, oil and gas buried over hundreds of millions of years, are being used up far faster than the Earth can ever remake them. Others, the wind, the sun, the tides and growing plants, are replenished constantly. The choice between them is shaping the climate, the economy and the politics of the whole planet.
In this lesson you will learn how fossil fuels form, how to classify energy resources as renewable or non-renewable, and how each type is used to generate power. You will weigh their benefits and limitations and explore why the demand for energy keeps climbing. Real examples, from Iceland's geothermal plants to Brazil's bioethanol fields, show these ideas at work.
Malengo
- 1.4.1 Describe the formation of fossil fuels, limited to: (a) coal (b) petroleum (oil) (c) natural gas (methane).
- 1.4.2 Classify energy resources as renewable (non-finite) and non-renewable (finite), limited to: (a) renewable (non-finite): biofuels (bioethanol, biomass, biogas and wood), geothermal power, hydro-electric power, tidal power, wave power, solar power and wind power (b) non-renewable (finite): fossil fuels and nuclear power using uranium.
- 1.4.3 Describe how the energy resources in.
- 1.4.4 Discuss the benefits and limitations of the energy resources in 1.4.2.
- 1.4.5 Describe and explain the factors affecting demand for energy, limited to: (a) transport (b) personal and national wealth (c) climate (d) human population size (e) industry (f) disruption to supply (g) unreliable supply (h) scarcity of resources.
Maelezo ya Somo
Inapatikana kwenye programu ya Green Bridge
Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.
Tathmini ya Somo
Hongera kwa kukamilisha somo la Energy Resources. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.
Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.
Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.
- Which of the following is a non-renewable energy resource? A. Wind power B. Tidal power C. Natural gas D. Geothermal power Answer: C
- Fossil fuels are formed from: A. The cooling of magma B. The remains of living things under heat and pressure C. Compacted volcanic ash D. Recycled metal waste Answer: B
- Nuclear power is classed as non-renewable because: A. It releases a lot of carbon dioxide B. It uses uranium, which is finite C. It can only be used once a day D. It needs sunlight Answer: B
- Which energy resource generates electricity without using a turbine? A. Wind power B. Hydro-electric power C. Solar (photovoltaic) power D. Geothermal power Answer: C
- Which factor would most directly increase a country's demand for energy? A. A falling population B. Growth of energy-hungry industry C. Warmer weather reducing heating needs D. Less transport Answer: B
Inapatikana kwenye programu ya Green Bridge
Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.
Inapatikana kwenye programu ya Green Bridge
Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.
Vitabu Vinavyopendekezwa
Fanya Mazoezi ya Maswali ya Majaribio
Ungependa kufanya mazoezi ya maswali ya majaribio kuhusu Energy Resources? Pakua programu ya Green Bridge CBT ili kupata maswali ya majaribio na tathmini kamili za mazoezi kuhusu mada hii.
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