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The textbooks are in color-print and are among the least expensive books in Indian book stores. [11] Textbooks created by private publishers are priced higher than those of NCERT. [ 11 ] According to a government policy decision in 2017, the NCERT will have the exclusive task of publishing central textbooks from 2018, and the role of CBSE will ...
A Guide to the Scientific Knowledge of Things Familiar, also known as The Guide to Science or Brewer's Guide to Science, is a book by Ebenezer Cobham Brewer presenting explanations for common phenomena. [1] First published in the United Kingdom around 1840, the book is laid out in the style of a catechism and proved very popular.
It was first described in their book The Child's Conception of Space, published in French in 1948, with an English translation appearing in 1956. [1] [7] They described a series of stages children pass through in their understanding, corresponding to different modes of performance on the water-level test, before mastering it around the age of ...
François Jacob (French:; 17 June 1920 – 19 April 2013) was a French biologist who, together with Jacques Monod, originated the idea that control of enzyme levels in all cells occurs through regulation of transcription.
Soon after arriving in Stockholm, Berzelius wrote a chemistry textbook for his medical students, Lärbok i Kemien, which was his first significant scientific publication. He had conducted experimentation, in preparation for writing this textbook, on the compositions of inorganic compounds, which was his earliest work on definite proportions. [ 5 ]
Aquatic science is the study of the various bodies of water that make up our planet including oceanic and freshwater environments. [1] Aquatic scientists study the movement of water, the chemistry of water, aquatic organisms, aquatic ecosystems, the movement of materials in and out of aquatic ecosystems, and the use of water by humans, among other things.
The water thread experiment is a phenomenon that occurs when two containers of deionized water, placed on an insulator, are connected by a thread, then a high-voltage positive electric charge is applied to one container, and a negative charge to the other. At a critical voltage, an unsupported water liquid bridge is formed between the ...
Date/Time Thumbnail Dimensions User Comment; current: 09:01, 4 January 2010: 952 × 1,431, 18 pages (4.8 MB): Ayacop {{Information |Description={{en|1=original paper resulting in Henry's law, one of the gas laws}} |Source=William Henry: ''Experiments on the Quantity of Gases Absorbed by Water, at Different Temperatures, and under Different Pressures'' Phil. Trans. R.