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SCIENCE REVISION (GEOTHERMAL ELECTRICITY (Geothermal power stations are…
SCIENCE REVISION
TYPES OF ENERGY
- Thermal (Heat)
- Chemical
- Kinetic
- Potential
- Atomic/ Nuclear
- Gravitational
- Mechanical
- Solar
- Light
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ENERGY IN FOOD
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Food can be categorized into different types which include:
- Carbs (Carbohydrates)
- Proteins
- Fats
- Vitamins
- Lipids
- Fibre
- Minerals
What foods contain the most chemical energy? Lipids contain the most energy per unit mass followed by carbohydrates.
What is the difference between oils and fats? Oils are different from fats in that oils are liquids at room temperature while fats are solids in room temperature and melts at high temperature
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OILS AND FATS
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How can oils be converted into fats? Oils can be converted into fats by reacting with hydrogen in a process known as hydrogenation
GEOTHERMAL ELECTRICITY
Geothermal power stations are similar to other steam turbine thermal power stations in that heat from a fuel source (in geothermal's case, the Earth's core) is used to heat water or another working fluid.
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A nuclear power plant or nuclear power station is a thermal power station in which the heat source is a nuclear reactor.
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Flowing water creates energy that can be captured and turned into electricity. This is called hydroelectric power or hydro power.
The most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir.
Nuclear power stations are usually considered to the base load stations since fuel is a small part of the cost production.
What are the things in a generator?
- A conductor
- A magnet
- Movement
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