{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.ice","code":"thing-q23392","url":"https://ver.cy/models/thing/q23392/","name":"ice","alternateNames":["pack ice","runoff ice","ice crystal","frazil ice","hoar frost","soft rime","lolly ice","window frost","ice cube","ice chips","tide ice formations","ice Iₕ"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"Water frozen into a solid, forming at 0 degC at standard pressure, occurring as sea ice, lake and river ice, glaciers, frost, rime, hail and ice crystals; it is less dense than liquid water and floats.","purpose":"Let an agent handle ice by form, physics, uses and safety, including thin ice on water and icy roads.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Solid water","Floats on water","Many natural forms","Slippery and hazardous"],"structure":{"bundles":[{"id":"safety","name":"Safety","description":"On ice.","layers":[{"id":"frozen-water","name":"Frozen water","description":"Ice thickness.","findings":[{"id":"frozen-water-finding","name":"Frozen water","description":"Ice safety.","questions":[{"text":"Is it safe to go on this frozen water, according to local guidance?","kind":"boundary"},{"text":"What should someone do if a person falls through?","kind":"action"}]}]},{"id":"roads","name":"Roads","description":"Black ice.","findings":[{"id":"roads-finding","name":"Roads","description":"Icy roads.","questions":[{"text":"What do road safety authorities advise in icy conditions?","kind":"provenance"},{"text":"Are there current warnings?","kind":"provenance"}]}]}]},{"id":"physics","name":"Physics","description":"Properties.","layers":[{"id":"density","name":"Density","description":"Floating.","findings":[{"id":"density-finding","name":"Density","description":"Density.","questions":[{"text":"Why does ice float on water?","kind":"definition"},{"text":"Why does it matter for lakes?","kind":"definition"}]}]},{"id":"forms","name":"Forms","description":"Types.","findings":[{"id":"forms-finding","name":"Forms","description":"Forms of ice.","questions":[{"text":"Which form of ice is this, such as rime or frazil?","kind":"definition"},{"text":"How does it form?","kind":"definition"}]}]}]},{"id":"climate","name":"Climate","description":"Sea ice and glaciers.","layers":[{"id":"sea-ice","name":"Sea ice","description":"Extent.","findings":[{"id":"sea-ice-finding","name":"Sea ice","description":"Sea ice.","questions":[{"text":"What does monitoring show about sea ice extent?","kind":"measurement"},{"text":"Which data centre reports it?","kind":"provenance"}]}]},{"id":"cores","name":"Ice cores","description":"Records.","findings":[{"id":"cores-finding","name":"Ice cores","description":"Ice cores.","questions":[{"text":"What do ice cores reveal about past climate?","kind":"provenance"},{"text":"How far back do they go?","kind":"measurement"}]}]}]},{"id":"uses","name":"Uses","description":"Everyday.","layers":[{"id":"food","name":"Food","description":"Ice in drinks.","findings":[{"id":"food-finding","name":"Food","description":"Food ice.","questions":[{"text":"How is ice for drinks kept hygienic?","kind":"provenance"},{"text":"Which rules apply to businesses?","kind":"provenance"}]}]},{"id":"first-aid","name":"First aid","description":"Cold packs.","findings":[{"id":"first-aid-finding","name":"First aid","description":"Cold packs.","questions":[{"text":"How should ice be applied to an injury without harming skin, according to first-aid guidance?","kind":"provenance"},{"text":"When should a clinician be seen?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Report ice conditions, thickness and warnings from official sources.","Make and store ice for food and drink following hygiene rules."],"mustNot":["Advise people that lake, river or sea ice is safe to walk on without official measurements.","Serve ice made from water not fit to drink.","Leave walkways icy or remove warnings where people can fall.","Misrepresent the state of glaciers or sea ice to support a claim."],"requiresHuman":["Closing or opening ice to public use.","Directing a rescue of someone who has fallen through ice."]},"ethics":{"considerations":["People die each year falling through ice or slipping on it.","Melting glaciers and sea ice threaten water supply, coasts and Arctic communities."],"affectedParties":["People on or near ice","Arctic and mountain communities","Polar wildlife"]},"owners":{"steward":"Nobody for natural ice; the person or business that makes or sells ice for food.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11438","type":"parent","note":"registry parent class"},{"target":"Q283","type":"parent","note":"registry parent class"},{"target":"solid","type":"related","note":"category"},{"target":"water","type":"related","note":"substance"},{"target":"glacier","type":"related","note":"large body"},{"target":"dry ice","type":"related","note":"different substance"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.ice","Wikidata: Q23392 (https://www.wikidata.org/wiki/Q23392)"]},"properties":{"applicability":"required","items":["melting point: 0 degC - at 1 atm","density: about 917 kg/m3 - less than liquid water"]},"recognition":{"applicability":"required","items":["Clear, white or blue ice","Frost, rime and hail","Dry ice is frozen carbon dioxide","Clear to white solid; crystals, sheets, frost or packed snow ice."]},"capabilities":{"applicability":"required","items":["explain ice formation and forms","check ice safety guidance before going on frozen water","handle icy roads and paths safely","use ice safely in food and cooling"]},"hazards":{"applicability":"required","items":["Falling through thin ice","Slips and road accidents","Contaminated ice in drinks"]},"interfaces":{"applicability":"required","items":["Winter road maintenance standards","Food hygiene for ice used in drinks"]},"context":{"applicability":"required","items":["Climate systems, cooling, food preservation and winter activities.","sea ice and pack ice","lake and river ice","glacier ice","frost and rime","frazil and ground ice"]}},"sources":[{"title":"Wikidata item Q23392: ice","url":"https://www.wikidata.org/wiki/Q23392","note":"identity and sense of the item"},{"title":"Wikipedia: Ice","url":"https://en.wikipedia.org/wiki/Ice","note":"general description of the item"}],"openQuestions":["Should ice forms be separate entries?","How should ice safety guidance be localised?","How should sea ice data be linked?"],"resources":{"spec":"/models/things/publications/thing-q23392/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q23392/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T11:20:24Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:57+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}