Welcome to the Quiz!
This quiz contains 5 questions from a mix of 1 subtopics.
Which two of the following are false?
Energy can be transferred
Energy can be stored
Energy can be dissipated
Energy can be destroyed
Energy can be created
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What happens to 'dissipated' energy?
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Open vs closed systems
An open system exchange energy and matter with its surroundings. A closed system exchange energy or matter with the surroundings.
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As a bowl of hot porridge cools down, what happens to the energy in its thermal energy store?
It is transferred to gravitational potential energy
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What is the main energy transfer of a marathon runner? Chemical energy ➔ kinetic energy Gravitational potential energy ➔ kinetic energy Elastic potential energy ➔ chemical energy
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Not all of the chemical energy from the runner's cells would be converted to kinetic energy, which other form is it most likely to be converted to? Nuclear energy Thermal energy Magnetic energy
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