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Combined Science Paper 1(AQA Physics) Training Exam Questions Answered Correctly. $9.49   Add to cart

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Combined Science Paper 1(AQA Physics) Training Exam Questions Answered Correctly.

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  • Course
  • Combined Science
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  • Combined Science

an object or group of objects - Answer system _______ energy is the total kinetic energy and potential energy of all particles that make up a system - Answer internal the idea that there is the same amount of energy befire and after it is transferred - Answer conservation of energy ...

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  • October 25, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Combined Science
  • Combined Science
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Combined Science Paper 1(AQA
Physics) Training Exam Questions
Answered Correctly.

an object or group of objects - Answer system



_______ energy is the total kinetic energy and potential energy of all particles that make up a system -
Answer internal



the idea that there is the same amount of energy befire and after it is transferred - Answer
conservation of energy



energy cannot be ------- -- --------- - Answer created or destroyed



= 0.5 x mass x (speed)^2 - Answer kinetic energy



type of energy stored in a stretched spring - Answer elastic potential energy



= mass x gravitational field strenght x height - Answer gravitational potential energy



= force x distance - Answer work



the rate at which energy is transferred or the rate at which work is done? - Answer power



what is the unit for power? - Answer watt



1000,000 watts= - Answer megawatt

, 1000 watts= - Answer kilowatt



the amount of energy required to raise the temperature of one kilogram of the substance by one degree
celsius - Answer specific heat capacity



how to reduce unwanted energy transfer due heat loss - Answer thermal insulation



when a layer of gas is trapped between 2 layers of glass - Answer double glazing



the higher the ------- ------------ of a material the higher the rate of energy transfer by conduction across
the material - Answer thermal conductivity



=useful energy output / total energy input - Answer efficiency



how to reduce unwanted energy transfer due to friction of moving parts - Answer lubrication



an energy resource that is being (or can be) replenished as it is used - Answer renewable



an energy source that will run out and can't be replenished - Answer non renewable



1,000,000,000 watts - Answer gigawatt



sulfur dioxide causes this problem for the environment - Answer acid rain



burning coal produces this acid rain causing gas - Answer sulfur dioxide



fuels that remove the same amount of carbon dioxide as they produce are.... - Answer carbon neutral

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