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37 Cards in this Set
- Front
- Back
- 3rd side (hint)
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what is the difference between charcoal and coal
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charcoal-lightly burnt wood
coal- pressed for billions of years before coal is produced |
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explain how coal is formed
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1.trees die and are covered with each and water
2. trees become covered by more layers 3. layers build up and trees become compressed to form coal |
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what is a fuel
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a substance that releases energy when burnt
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what is crude oil
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unrefined or unproccesed oil
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name 3 fuels that can be used instead of electricity
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coal, oil and natural gas
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starting from the bottom of the separating tower name all the different parts of crude oil and an eg of what it is used for
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1.heavy oil- waxes,polishes, candles,ships fuel, bitumen for roads
2. diesel oil- diesel fuels for lorries and buses 3. kerosene- jet fuel and paraffin for heating 4.gasoline- gasoline for cars 5. gases- bottled gas for cooking |
5 different gases
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name 2 examples of fuels
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fossil fuels and food
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through which process do living things get energy from fuels
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respiration
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how humans get energy from food
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the energy released from fuels came originally from which form of energy
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solar energy
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true or false plants use the moons energy to make food
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false
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by what process do plants make food
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photosynthesis
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what are the green parts of the plant
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chlorophyll
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give one eg of what plants use their food to do
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use it during respiration to release energy for the activities
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what is energy
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the ability to do work
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give 3 eg. of forms of energy
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chemical, mechanical, kinetic
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what is the law of conservation of energy
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this states that energy cannot be created or destroyed but it can be changed from one form to another
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what is the energy conversion for the light bulb
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electrical-light-heat
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what is the energy conversion for a blender
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electrical- energy of motion- sound- heat
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what is energy measured in
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joules
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unit of measurement
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where do plants get their energy from
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sunlight
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what are renewable sources of energy
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a source of energy that can be used over and over again
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what are non-renewable sources of energy
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sources of energy that once used can never be restored
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give an eg. of both a renewable and a non-renewable source of energy
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renewable - energy plants
non-renewable - coal petroleum natural gas |
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what is the respiration equation
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glucose+oxygen= water+ carbon dioxide + energy
reactant. product |
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what is an alternative energy source of than electricity
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biomass
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what is biomass
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biomass is plants and animals and their waste materials including human sewage
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what is another word for break down
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ferment
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what is distillation
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distillation is a process that separates a substance or a mixture of substances from a solution through vaporization
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petroleum is separated into different substances by which process
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distillation
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explain the process of how crude oil is separated
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oil is heated in a distillation coloumn causing a mixture of gases to evaporate each gas, cools and condenses at a different height becoming a liquid or fraction which is then drawn off separately
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what is chemical energy
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a form of stored energy found within chemicals
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how are fuels' energy released
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by burning or respiration
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what is potential energy
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a form of stored energy as a result of position or stretching waitingnto be used
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what is nuclear energy
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the energy that holds together the nuclear of atoms
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what is kinetic energy
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energy of movement
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in the separating tower list the different parts of crude oil from heaviest to lightest
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1. heavy oil
2. diesel oil 3. kerosene 4. gasoline 5. gases |
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name areas where we can find oil
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Trinidad, Guyana, Barbados
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