Unit 1: Physics 1P1.1 The transfer of energy by heating processes and the factors that affect the rate at which
that energy is transferred P1.2 Energy and efficiency P1.3 The usefulness of electrical appliances P1.4 Methods we use to generate electricity P1.5 The use of waves for communication and to provide evidence that the universe is expanding Past PapersFollow this link to find past papers and mark schemes for AQA Science A.
UNIT 1 PAST PAPER & MARK SCHEMES |
P1 BookletsDownload the files below for solutions to the examination style questions in your booklets.
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P1 Physics ResourcesP1.1 Heat Transfer
Heat Transfer By Conduction Heat Transfer by Radiation Evaporation & Condensation U Values Vacuum Flask Specific Heat Capacity Explained P1 1.2 Energy & Efficiency Energy Types Energy & Efficiency - Doodle Payback time Energy Transfer - Sankey Diagrams Info and help with U-Values
If you have a look on YouTube there is a channel called Doodle science - it's a bit brief but covers the basics really well. Another good channel is mygcsescience - it has videos specific to AQA CORE AND ADDITIONAL science. https://m.youtube.com/channel/UCGqabAVv0SRD_SjtodhQPTQ U-Values https://m.youtube.com/watch?v=r7LHcx9MNhI Also https://m.youtube.com/watch?v=c15gUeTqMkw U-values measure how effective a material is an insulator. The lower the U-value is, the better the material is as a heat insulator. For example, here are some typical U-values for building materials:
Note that you do not need to remember any U-values for the exam or know the equation used to calculate U-values. Architects need to know how well different materials will insulate the building they design. To help them with this they need to know the U-values of different materials. A U-value of 1 W/(m² oC) means a 1 metre square area of the material with a 1 oC temperature difference across the material will conduct heat at a rate of 1 joule per second. (this definition is not necessary) U-values measure how effective an insulator something is. The lower the U-value the better the material is at insulating. (This bit is all that you really need) P1.4 Doodle Science - Non Renewable Energy Resources Doodle Science - Renewable Energy Resources 1 Doodle Science - Renewable Energy Resources 2 Transformers and the National Grid National Grid P1.5
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