Nagano Entrance Science case studies
Nagano Entrance Science · Put your knowledge to work in context.
Topics on this exam: Physics: forces and motion, energy, electricity and magnetism, waves and sound, Chemistry: properties of matter, chemical changes, atoms and molecules, ions and reactions, Biology: body systems, reproduction and heredity, cells, ecosystems and food chains, and Earth science: strata and fossils, weather and atmosphere, celestial bodies and Earth's motion. The Nagano Entrance Science case studies are 5 cases and about 3,571 words.
1Sled Run on a Nagano Slope: Where Did the Energy Go?
On a winter field trip in the mountains of Nagano, a class measures a straight sled run. The top of the run is 12.0 m above the bottom, and the slope is 60.0 m long.
707 words, about 4 min2One Socket, Three Appliances: Judging an Overloaded Extension Cord
A classroom in Nagano has a single 100 V wall socket. A 5 m extension cord rated at 15 A is used to run three appliances at the same time: a fan heater marked 1200 W, an electric kettle marked 700 W, and a desk lamp marked 40 W.
648 words, about 3 min3Descaler by Vinegar: How Much Is Enough, and How Do You Know?
The tap water in a Nagano household is hard, and boiling it leaves a white crust inside the kettle. The crust is 2.0 g of almost pure calcium carbonate, CaCO₃.
695 words, about 3 min4Green and Pale Seedlings: Inherited or Environmental?
A student in Nagano crosses two pea plants that both have normal green leaves, transferring pollen from one to the other. She collects 240 seeds and plants them all in the same tray of compost.
766 words, about 4 min5Counting Between Flash and Thunder: A Thunderstorm over the Ridge
On a hot, humid August afternoon a student stands in a valley in Nagano and watches a thunderstorm build over the ridge to the west. She sees a flash and counts 5.0 s until she hears thunder.
755 words, about 4 min