Ref. 1995 Strand Ref. 2000 Strand
Physical Processes Sc4 Physical processes
1 Electricity and Magnetism 1 Electricity and Magnetism
Current and circuits Circuits
(energy not explicit in) 1c that energy is transferred from batteries and
other sources to other components in
electrical circuits
magnetic fields Magnetic fields
1g about magnetic fields as regions of space 1d about magnetic fields as regions of space
where magnetic materials experience forces where magnetic materials experience forces,
and that like magnetic poles repel and unlike
poles attract
2 Forces and Motion 2 Forces and Motion
(No explicit links to energy) (No explicit links to energy)
3 Light and sound 3 Light and sound
hearing Hearing
3k the effects of loud sounds on the ear 3h some effects of loud sounds on the ear [for
example, temporary deafness]
vibration and sound Vibration and sound
3m the link between the loudness of a sound and 3j the relationship between the loudness of a
the amplitude of the vibration causing it sound and the amplitude of the vibration
causing it
Table A1.4 Strands relating to Energy in Sc4 ‘Physical Processes’ (excluding section
5)