Hints on the Teaching of Elementary Chemistry in Schools and Science Classes (Classic Reprint)
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Hints on the Teaching of Elementary Chemistry in Schools and Science Classes (Classic Reprint) (2018)
EN HC NW RPISBN: 9780365354635 bzw. 0365354635, in Englisch, 120 Seiten, Forgotten Books, gebundenes Buch, neu, Nachdruck.
Lieferung aus: Vereinigte Staaten von Amerika, Usually ships in 24 hours, free shipping for AmazonPrime only. Regular USD 4.98.
Von Händler/Antiquariat, Amazon.com.
Excerpt from Hints on the Teaching of Elementary Chemistry in Schools and Science Classes In the earliest stages, the learner's attention and energy are usually wholly used up in the process of exact observation. To see and accu rately record the whole of a given phenomenon is enough for young boys and girls, and, until sufficient practiceand experience in this direction have been gained, it is a better educational exercise than the attempt to solve problems which, to render them simple enough, require the neglect of part of the phenomena. For example, the investi gations of the changes which occur when a piece of sheet copper is heated in the air requires for a complete answer observations (a) on the iridescent colours first visible, (o) the black coating which succeeds, (c) the red lining to the scales which may be separated on cooling, (d) the temperature at which these changes occur, -(e) the alteration in weight of the mass, (f) changes in the surrounding air, &c. Observation of' all these facts is possible even for the beginner; but when he is in possession of the whole, he would'be a wonderful boy in~ deed who could, Without assistance, infer that the products contain oxygen as well as copper, and that there are two oxides of copper of definite composition, to say nothing about the colours of thin films. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. Hardcover, Label: Forgotten Books, Forgotten Books, Product group: Book, Published: 2018-03-22, Studio: Forgotten Books.
Von Händler/Antiquariat, Amazon.com.
Excerpt from Hints on the Teaching of Elementary Chemistry in Schools and Science Classes In the earliest stages, the learner's attention and energy are usually wholly used up in the process of exact observation. To see and accu rately record the whole of a given phenomenon is enough for young boys and girls, and, until sufficient practiceand experience in this direction have been gained, it is a better educational exercise than the attempt to solve problems which, to render them simple enough, require the neglect of part of the phenomena. For example, the investi gations of the changes which occur when a piece of sheet copper is heated in the air requires for a complete answer observations (a) on the iridescent colours first visible, (o) the black coating which succeeds, (c) the red lining to the scales which may be separated on cooling, (d) the temperature at which these changes occur, -(e) the alteration in weight of the mass, (f) changes in the surrounding air, &c. Observation of' all these facts is possible even for the beginner; but when he is in possession of the whole, he would'be a wonderful boy in~ deed who could, Without assistance, infer that the products contain oxygen as well as copper, and that there are two oxides of copper of definite composition, to say nothing about the colours of thin films. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. Hardcover, Label: Forgotten Books, Forgotten Books, Product group: Book, Published: 2018-03-22, Studio: Forgotten Books.
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Daten vom 10.04.2018 15:24h
ISBN (andere Schreibweisen): 0-365-35463-5, 978-0-365-35463-5
Daten vom 10.04.2018 15:24h
ISBN (andere Schreibweisen): 0-365-35463-5, 978-0-365-35463-5
Zuerst gefunden: 10.04.2018 15:24:31
Zuletzt gefunden: 28.07.2019 07:42:35
Kleinster Preis: € 21,43 (vom 10.04.2018 15:24:31)
Höchster Preis: € 21,43 (vom 10.04.2018 15:24:31)
Fundstellen insgesamt: 1
Zuletzt gefunden: 28.07.2019 07:42:35
Kleinster Preis: € 21,43 (vom 10.04.2018 15:24:31)
Höchster Preis: € 21,43 (vom 10.04.2018 15:24:31)
Fundstellen insgesamt: 1
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