Kagawa Entrance Science case studies
Kagawa Entrance Science · Put your knowledge to work in context.
The Kagawa University Faculty of Science general admission examination (香川大学理学部 一般選抜) is the route by which applicants seek entry to the Faculty of Science at Kagawa University, a national university on the island of Shikoku. It is aimed at students completing upper secondary education, including those applying from outside Japan, who want to study mathematics or a natural science in a research-oriented faculty. The Kagawa Entrance Science case studies are 5 cases and about 2,579 words.
1Yogurt Tub Geometry Under Shelf and Die Constraints
A small dairy in Kagawa wants a cylindrical yogurt tub with a resealable metal lid. The supplier charges by metal area, and the factory allots exactly 600 cm² of sheet metal per tub for the curved side, the base and the lid together; seams and waste are ignored, and the lid is a full disc of the same radius as the base.
568 words, about 3 min2Battery Internal Resistance with an Ammeter Systematic Error
A student tests a batch of 1.5 V zinc-carbon cells for a science-club project. She uses a resistor box, an ammeter of resistance 0.50 Ω, and a digital voltmeter of input resistance 10 MΩ.
522 words, about 3 min3Ammonia Buffer: Capacity Versus Chloride Limit
A student must prepare 500.0 mL of a pH 9.00 buffer for a colorimetric assay. The stockroom has solid NH4Cl (M = 53.49 g/mol), concentrated aqueous ammonia (25.0% NH3 by mass, density 0.910 g/mL), 1.00 M HCl and 1.00 M NaOH.
524 words, about 3 min4Carrier Screening and Bayes: Two Positive Tests
A regional screening programme in Kagawa offers a carrier test for a recessive metabolic disorder. In the local population, 1 person in 25 is a carrier.
489 words, about 2 min5Revising a Science-Fair Abstract to Fit Evidence
A student at a science fair writes a 60-word English abstract for a poster on light colour and bean-sprout growth. The draft reads: 'The purpose of this experiment was to investigate the effect of light color on the growth of bean sprouts.
476 words, about 2 min