National 4 – fizzics

Sinclair Mackenzie

Podcast supporting Mr Mackenzie's National 4 Physics class at Thurso High School.

  • dosimetry
    This week, we’ve looked at calculating radiation doses.  The absorbed dose D, measured in Grays (Gy), takes into account the energy E absorbed and the mass m of the absorbing tissue. The higher the energy, the greater the absorbed dose.  If you are wondering why the absorbing mass is important, consider the different masses of ... Read more
    10 September 2020, 5:55 pm
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    nat4 dynamics & space revision – post #2
    Here is the second set of revision notes for your test.
    7 November 2017, 9:59 pm
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    nat4 dynamics and space revision notes
    This is the first of two posts with summary notes to help you prepare for the unit assessment next week.  Don’t forget that there are also nice notes with built-in tests on BBC Bitesize.
    7 November 2017, 9:57 pm
  • what do astronauts do?
    We’ve been looking at the risks and benefits of space exploration. Tim Peake, the British astronaut about to start work on the International Space Station, appeared on The One Show last week to talk about his training for the mission.   Interview with Tim Peake before he goes to the International Space Station from mr ... Read more
    10 November 2015, 12:55 pm
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    national 4 – waves & radiation revision
    Here are some summary notes to help with your revision for the waves and radiation unit assessment.  Your test is scheduled for Friday 24th April. Extra revision materials and questions are available on BBC Bitesize.
    17 April 2015, 9:41 am
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    national 4 electricity & energy solutions
    Here are the solutions to the electricity and energy questions. Remember that these sample questions & answers do not cover all of the key areas within the unit and you should work through the notes I provided earlier.
    30 March 2015, 10:32 pm
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    national 4 electricity & energy KU revision
    Here are some old exam questions to help you to prepare for the resit of the E&E unit assessment.  Your resit is scheduled for Thursday of this week (see calendar dates on right of the screen).  You will get more thorough coverage of the appropriate key areas if you work through the BBC Bitesize pages ... Read more
    29 March 2015, 11:08 pm
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    national 4 dynamics & space solutions
    Here are the solutions to the revision questions.  Please try answering the questions before downloading these answers.
    25 March 2015, 6:41 pm
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    national 4 dynamics & space KU revision
    If you have to resit any of the national 4 unit assessments, the test paper will only contain knowledge questions.  The revision material on BBC Bitesize has multiple choice test questions but you should also practise making accurate statements if you want to pass the test. Here is a selection of suitable questions I have ... Read more
    25 March 2015, 6:35 pm
  • viewing the solar eclipse
    We spoke about the eclipse in class today.  It’s really important that you follow advice for watching the eclipse safely to avoid permanent damage to your eyes. You can buy eclipse viewing glasses online.  They look like this and only cost a few pounds per pair.  Make sure any glasses you buy have the CE mark ... Read more
    9 March 2015, 9:38 pm
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