Iraqi Baccalaureate Scientific case studies
Iraqi Baccalaureate Scientific · Put your knowledge to work in context.
The Iraqi Baccalaureate - Scientific Branch (البكالوريا العلمي) is the national school-leaving credential for students in Iraq's scientific stream, and it is the result most universities and institutes use when deciding admission to medicine, engineering, pharmacy, dentistry, and the pure and applied sciences. It is a school credential, not a professional licence: it certifies that a student has completed the scientific secondary curriculum and sat the national examinations in the required subjects. The Iraqi Baccalaureate Scientific case studies are 5 cases and about 3,362 words.
1The Playground Fence: A Correct Derivative With an Impossible Answer
A secondary school in a governorate town has received 60 m of new fencing wire. Along one edge of the sports yard runs an existing straight brick wall, 25 m long, which the administration wants to use as one complete side of a rectangular playground, so that only three sides need new fence.
693 words, about 3 min2A 220 V Lamp on a 110 V Supply: Three Answers and One Filament
A secondary school laboratory is supplied with 110 V from a step-down transformer. A student is given a filament lamp marked “220 V, 60 W” and asked to find the power it consumes on the laboratory supply.
668 words, about 3 min3The Indicator That Should Not Have Been Chosen: Weak Acid, Strong Base
In a school laboratory a student titrates 25.0 mL of 0.100 mol L⁻¹ ethanoic acid (CH₃COOH, Ka = 1.8 × 10⁻⁵) with 0.100 mol L⁻¹ sodium hydroxide solution, using a pH meter and phenolphthalein. Indicator ranges supplied: methyl orange 3.1–4.4, bromothymol blue 6.0–7.6, phenolphthalein 8.2–10.0.
649 words, about 3 min4240 Dark to 121 Pale: A Ratio That Refuses to Be 3 : 1
In a school genetics practical, dark-bodied beetles from the same laboratory stock are crossed with one another and the offspring counted. In the largest single brood, 240 beetles are dark and 121 are pale.
673 words, about 3 min5إنّ في التأنّي السلامةَ: When the Word After إنّ Is Not the اسم
In a third-year secondary class the teacher writes on the board إنَّ في التأنّي السلامةَ and asks for a full إعراب. One student writes: إنّ حرف توكيد ونصب مبني على الفتح؛ في التأنّي جار ومجرور متعلق بمحذوف؛ السلامةُ خبر إنّ مرفوع وعلامة رفعه الضمة.
679 words, about 3 min