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Titre : | Studying the Rate of Evaporation Using Pocket and Computer-Supported Weighing Scales (2021) |
Auteurs : | Petr Kacovsky |
Type de document : | Article |
Dans : | The Physics Teacher (6/59, Septembre 2021) |
Article en page(s) : | p. 493-496 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Expérience scientifique ; Mesure ; Vaporisation |
Résumé : | Already when they enter primary school, children have rich everyday experience with factors influencing the rate of liquids evaporation. Tea spilled into a large puddle on the table evaporates more rapidly than the same amount remaining in the cup, laundry hanging on a clothesline dries faster on a hot and windy day in comparison with a cold and windless one. We use examples such as these when we tell students that the rate of evaporation is affected by the temperature of a liquid, its surface area, and the airflow above the surface that accelerates the removal of vapors; the type of liquid is also essential. This paper describes a simple way of approximate quantification of these effects in a few hands-on experiments using weighing scales. |
Disponible en ligne : | Non |
Exemplaires (1)
Cote | Support | Localisation | Section | Disponibilité |
---|---|---|---|---|
The Physics Teacher. 6/59 (Septembre 2021) | Périodique papier | Louvain-la-Neuve | Etagère des revues | Prêt autorisé Disponible |