JCE Physics case studies
JCE Physics · Put your knowledge to work in context.
The Junior Certificate Examination (JCE) is one of the national qualifications administered by the Botswana Examinations Council (BEC), which lists it alongside PSLE and BGCSE under its Qualifications section. BEC is mandated under section 5 of the Botswana Examinations Council Act (Act No 11 of 2002), as amended by the Botswana Examinations Amendment Act, 2019, to manage and conduct examinations and assessments in general education and technical, vocational education and training, and to award certificates for them. The JCE Physics case studies are 5 cases and about 4,329 words.
1The 'Copper' Wire and a Measuring Cylinder That Cannot Tell
A school science club is preparing an open-day display called 'Spot the Fake'. A local electrician donates a coil of bare wire and says it is copper; the club suspects it may be a cheaper alloy.
822 words, about 4 min2A Plank, Two Bricks and a Learner Who Wants to Sit on the End
A carpentry club builds a bench for the school garden from a uniform wooden plank 3.0 m long and of mass 12 kg. It is laid flat across two concrete bricks, one 0.50 m from the left end and one 2.50 m from the left end.
909 words, about 5 min3The Tuck-Shop Extension Lead That Gets Warm
The owner of a busy tuck-shop at a bus rank has one 240 V wall socket, protected by a 15 A circuit breaker at the distribution board and by a 13 A fuse in the plug. She buys a four-way extension lead marked '10 A maximum' and plugs in an electric kettle rated 2000 W, a hot plate rated 1500 W, a refrigerator rated 150 W and a phone charger.
891 words, about 4 min4The Lodge's 'Hot Water by Three O'Clock' Claim
A lodge outside Maun advertises 'hot water from the sun by three o'clock'. The system is a flat, unglazed black 200 L tank mounted on the roof, uninsulated, feeding one tap.
852 words, about 4 min5Clapping at the Wall: A Speed of Sound That Comes Out Too Low
Two Form 3 students try to measure the speed of sound using the echo from the school boundary wall. They measure the distance to the wall as 85 m, checked twice with a 50 m tape and accurate to about plus or minus 2 m.
855 words, about 4 min