Teaching materials by cleavage and grinding experiment using Mongolian rock salt, and its evaluation.
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Accession number;04A0436001
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| Title;Teaching materials by cleavage and grinding experiment using Mongolian rock salt, and its evaluation. |
| Author;
YAMAMOTO KATSUHIRO
(Osaka Prefectural Education Center, JPN)
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Journal Title;Nippon Kagakkai Koen Yokoshu
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Journal Code:S0493A
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ISSN:0285-7626
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VOL.84th;NO.1;PAGE.5(2004)
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| Figure&Table&Reference; |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;At elementary and junior high schools, cleavage which used the rock salt from Mongolian, and a grinding experiment are conducted, and the crystal is observed. In a high school, the rectangular parallelepiped crystal of salt is manufactured by cleavage experiment, and mass and volume are measured. The number of Avogadro is measured using the ion radius of sodium ion and chloride ion. (author abst.) |
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