Year 9 Physics
Energy
By the end of this topic you should be able to:
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State the ways in which energy is stored an give examples of this
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Ste the ways in which energy is transfered and give examples of this
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Idenitfy useful and watserd (dissipated) energy in an ennergy transfer
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Recall and use to equation to calculate efficiency of an energy transfer
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Recall and use the equation to calculate gravitatinal potential energy
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Recall and use the equation to calculate kinetic energy
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Complete calculations involving a transfer of graviational energy to kinetic energy
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Use the equation to calculation elastic potential energy
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Define what is meant by power and recall and use the equation linking power, energy transferredand time
Energy Resources
By the end of this topic you should be able to:
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For the following energy resources describe how electricity is made using the resource and describe advantages and disadvantages for each including if the resource is renewable or non-renewable: Solar, wind, geothermal, hydroelectric, wave power, tidal power, biofuels, fossil fuels, nuclear power.
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Describe how and why electricity production is going to change both within the UK and across the whole world
Particles
By the end of this topic you should be able to:
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Define density and recall and use the equation linking density, mass and volume in calculations
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Describe the properties of substances in the three different states of matter
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Describe the process of conduction for heating solids
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Define specific heat capacity, use the equation to calculate this and describe an experiment to measure this
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Describe what happens to particles in solids, liquids and gases as they change state
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Define specific latent heat and use the equation to calculate this