Is it me, or are some GCSE mark schemes just f’kin awful.
Physics.
( Name change in the question to protect the identity of the board. )
The question asks to explain why the energy Alexis puts in is different to the gravitational energy he gains when he pedals uphill. It's already been established that he expends more than he gains.
Looking at the question, and answering it in detail, explaining all the resistive forces and describing how work has to be done when moving against them, I get just 1 out of 3 marks.
The other two are for naming the thermal heat store (1) of the surroundings(1)
Crazy… or is it me ? Surely the question should have included where?
How can students who give a detailed and accurate description of why, get only 1 mark out of 3 ?
Students who know their stuff and can answer a question properly are not being rewarded, yet those who can throw in a phrase stand a chance of picking up a few marks.
If you really wanted to explain the why into the surroundings, I guess you’d include the second law of thermodynamics and entropy, but that isn’t done at GCSE. ( Even after Gove )
Anyone else with shite Mark schemes ?