Cambodia Bac II Science case studies
Cambodia Bac II Science · Put your knowledge to work in context.
Bac II Science - the science-stream Upper Secondary National Examination - is the school-leaving credential for Cambodian students who complete the science track. Strong results support university admission, scholarship applications and entry to competitive programs such as medicine, engineering and teacher training, so it functions as both a completion certificate and a selection tool. The Cambodia Bac II Science case studies are 5 cases and about 4,053 words.
1Arch Culvert Clearance: Does the Rice Truck Fit?
The provincial road office in Kampong Cham is repainting clearance markings on a 20 m span concrete arch culvert on National Road 7. An engineer models the underside of the arch, in metres above the road surface, as h(x) = 4 − 0.04x², where x is the horizontal distance in metres from the centreline; the arch meets the road surface at x = ±10 m.
774 words, about 4 min2One Circuit, Four Loads, and a 32 A Breaker
A first-floor rented room in Phnom Penh is supplied from a single 16 A miniature circuit breaker (MCB) in the landlord's board. The cable is 2.5 mm² copper, run 25 m from the board to the room's sockets (copper resistivity 1.7 × 10⁻⁸ Ω·m); the supply is 230 V, 50 Hz.
818 words, about 4 min3Checking a '5% Acidity' Vinegar Label
A small vinegar bottling workshop near Battambang prints '5% acidity' on its labels. A Grade 12 student volunteers to check one bottle for her practical investigation.
739 words, about 4 min4Counselling After a Recessive Diagnosis in Takeo
A health centre in Takeo is holding a counselling session. A couple, both healthy, have three healthy children.
803 words, about 4 min5Ninety Minutes, Two Essays, One Stronger Text
In a mock Bac II examination, Dara has 90 minutes for the literature paper. Question 3, worth 25 marks and suggesting 45 minutes, asks him to analyse the author's attitude toward royal authority in Tum Teav, the 19th-century verse narrative by Preah Botumthera Som.
919 words, about 5 min