SPM Science case studies
SPM Science · Put your knowledge to work in context.
Sijil Pelajaran Malaysia (SPM) is the upper secondary school certificate examination administered by Lembaga Peperiksaan (LP), Kementerian Pendidikan Malaysia, and listed on the LP portal under Peringkat Menengah Atas alongside SPMU, STAM, MPAK, SVM and UPBA. It is taken by students completing their final years of secondary schooling in Malaysia and is used as a gateway to post-secondary study, matriculation, TVET and employment. The SPM Science case studies are 5 cases and about 3,969 words.
1Rehydration and Heat Loss During a Hot, Humid Football Match
A 17-year-old footballer, mass 60.0 kg, plays a 90-minute match in Malaysia at 32 °C and 80% relative humidity. His heart rate rises from 70 beats per minute before kick-off to 168 beats per minute at the final whistle; his skin is flushed and dripping with sweat.
769 words, about 4 min2Kitchen Circuit, Fuse Rating and Overloaded Sockets
A family home runs on a 240 V supply. The kitchen is wired as a single circuit with 2.5 mm² twin-core cable rated at 20 A, protected by a 15 A fuse.
756 words, about 4 min3Colour Blindness in a Family Seeking Genetic Advice
Both parents in a family have normal colour vision. The mother's father - the children's maternal grandfather - was red-green colour blind.
766 words, about 4 min4Rusting in a Coastal Workshop: Choosing a Six-Month Storage Method
A workshop in a coastal town stores 5 000 iron nails and 2 000 steel screws in open cardboard boxes on a concrete floor. The air is 30 °C with 85% relative humidity and carries salt spray from the sea 800 m away.
841 words, about 4 min5Fertilizer Runoff, Algal Bloom and Fish Deaths at Dawn
A village pond of about 200 m² receives runoff from a vegetable farm on the slope above it. Over six weeks a school science club records: Week 0: nitrate 2 mg/L; water clear; dissolved oxygen (DO) 8 mg/L at 2 p.m.
837 words, about 4 min