Hiroshima Entrance Science case studies
Hiroshima Entrance Science · Put your knowledge to work in context.
Hiroshima University's general entrance examination in science is the subject component of the university's own undergraduate admissions process, taken by applicants to science-oriented faculties and by others who must submit science results. It is a university-specific exam, not a national or international certification: it is written and scored by Hiroshima University, and the university publishes the current year's subjects, question counts, and time allocations in its official application guidelines (募集要項) and on its admissions website. The Hiroshima Entrance Science case studies are 5 cases and about 2,892 words.
1Festival Ticket Pricing with a Sponsor Constraint
At a school festival, the student council must set a single ticket price for a concert. The hall costs ¥180,000 to hire, and each audience member costs an additional ¥120 in programmes, cleaning and insurance.
574 words, about 3 min2Steel Ball on a Loop Track: Energy Loss and Contact
A physics club is testing a table-top roller coaster. A steel ball is released from rest at a height of 0.850 m above the lowest point of the track and enters a vertical circular loop of radius 0.180 m.
621 words, about 3 min3Checking Copper Electroplating Against Faraday's Laws
In a school laboratory, students electroplate copper onto a copper cathode from copper(II) sulfate solution. In run A they pass a current of 0.50 A for 40.0 min and find the cathode gains 0.38 g.
544 words, about 3 min4Mark–Recapture Estimate with Dye Loss and Age Bias
An ecology club wants to estimate the number of freshwater shrimp in a small pond. On Monday they catch 60 shrimp, mark each with a spot of nontoxic dye, and release them.
580 words, about 3 min5Lake Algal Bloom: Nutrient Limitation and Oxygen Swing
A lakeside town is concerned about a summer algal bloom. Monitoring on a calm, sunny day gives surface water temperature 26 °C, total phosphorus 0.09 mg L⁻¹, total nitrogen 1.2 mg L⁻¹, and Secchi depth 0.8 m.
573 words, about 3 min