So all you parents with smart kids ...
27 March 2009, 02:49 PM
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So all you parents with smart kids ...
Just taken the BBCs quiz of the week and they had a question from a recent GCSE Science exam.
What do you use to view the stars with.
1. Telescope
2. Microscope
3. Sythnesiser
4. Some other equally absurd choice.
Standards not falling - my ******* **** they aint !!!!
ps If they had option 4 as OK Magazine two thirds of girls would have got it wrong
What do you use to view the stars with.
1. Telescope
2. Microscope
3. Sythnesiser
4. Some other equally absurd choice.
Standards not falling - my ******* **** they aint !!!!
ps If they had option 4 as OK Magazine two thirds of girls would have got it wrong
Last edited by jasey; 27 March 2009 at 02:53 PM.
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27 March 2009, 05:00 PM
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27 March 2009, 06:43 PM
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28 March 2009, 09:29 AM
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Here are two Physics questions from years apart, both, supposedly "O" level.
1. (set in 1977). A brass bar 900mm long is fixed at one end, and the other end rests on a roller of diameter 20mm.
Affixed to the roller is a pointer. (diagram given here).
(i) When the bar is heated what will happen to it's length?...................
(ii) Explain your answer to (i) above with respect to Kinetic theory............
If the bar is heated from 21 degrees C to 50 degrees C, calculate the angle through which the pointer will move. (The linear coefficient of expansion of brass is 0.0000187/degree C).
2. (set in 2005). When railway lines are laid, gaps must be left between the ends of the lines. This is because when the rails get hot they..................
Now YOU decide if Physics, at least, has been dumbed down
I remember in 1970 our "A" level physics teacher telling us that if we got an English "A" level in Physics, we had the equivalent of an American degree, and if we went on to get a degree, we had the equivalent of an American doctorate.
No more, I reckon.
1. (set in 1977). A brass bar 900mm long is fixed at one end, and the other end rests on a roller of diameter 20mm.
Affixed to the roller is a pointer. (diagram given here).
(i) When the bar is heated what will happen to it's length?...................
(ii) Explain your answer to (i) above with respect to Kinetic theory............
If the bar is heated from 21 degrees C to 50 degrees C, calculate the angle through which the pointer will move. (The linear coefficient of expansion of brass is 0.0000187/degree C).
2. (set in 2005). When railway lines are laid, gaps must be left between the ends of the lines. This is because when the rails get hot they..................
Now YOU decide if Physics, at least, has been dumbed down
I remember in 1970 our "A" level physics teacher telling us that if we got an English "A" level in Physics, we had the equivalent of an American degree, and if we went on to get a degree, we had the equivalent of an American doctorate.
No more, I reckon.
28 March 2009, 12:18 PM
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I can believe that. I teach the ICT OCR course, that's far too easy to get a qualification on too. Very little evidence is required for their coursework, they don't need to show they understand what they did, just that they were capable of doing it once. I honestly think what we teach won't be retained by the majority. At least that was an exam paper so they have to remember something!
28 March 2009, 05:23 PM
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Aye, I remember the first question on my physics paper:
1. (i) State Ohm's Law.
(ii) A conductor carries a current of 1.2A when a PD of 240V is applied across the ends of the conductor. Calculate the resistance of the conductor.
(iii) An electric lightbulb is rated at 240V 60W. Calculate (a) the current it carries, (b) it's resistance.
Four of the above lamps are wired in parallel to an AC 240V supply.
(iv) Draw a diagram to show this arrangement.
(v) State a formula to find the total resistance of the four bulbs in parallel, and hence CALCULATE their total resisitance.
(vi) Explain why the resistance of the four bulbs in parallel is LESS than that of ONE bulb.
1. (i) State Ohm's Law.
(ii) A conductor carries a current of 1.2A when a PD of 240V is applied across the ends of the conductor. Calculate the resistance of the conductor.
(iii) An electric lightbulb is rated at 240V 60W. Calculate (a) the current it carries, (b) it's resistance.
Four of the above lamps are wired in parallel to an AC 240V supply.
(iv) Draw a diagram to show this arrangement.
(v) State a formula to find the total resistance of the four bulbs in parallel, and hence CALCULATE their total resisitance.
(vi) Explain why the resistance of the four bulbs in parallel is LESS than that of ONE bulb.
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