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Science Buddies mission is to help students to build their literacy in science and technology so they can become productive and engaged citizens in the 21st century. The site has personalized learning tools, over 15,000 pages of scientist-developed subject matter (including experiments based on the latest academic research), and an online ...
A mother of four and homeschool educator created a periodic table battleship game to help her kids learn Chemistry. ... 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...
Cartopedia: The Ultimate World Reference Atlas; Celestia; Google Earth - (proprietary license); Gravit - a free (GPL) Newtonian gravity simulator; KGeography; KStars; NASA World Wind - free software (NASA open source)
Please help improve this article by repairing any insufficient attribution if necessary and adding citations to reliable sources. Unsourced or poorly sourced material may be challenged and removed . Find sources: "List of chemistry mnemonics" – news · newspapers · books · scholar · JSTOR ( January 2025 ) ( Learn how and when to remove ...
Paranitroaniline can be used instead of sugar, if the experiment is allowed to proceed under an obligatory fumehood. [4] With this method the reaction phase prior to the black snake's appearance is longer, but once complete, the black snake itself rises from the container very rapidly. [5]
By 1917, they sold chemistry sets, which they produced through World War II, in spite of restrictions on materials. Robert Treat Johnson, noting the number of chemistry students at Yale whose interest in the science began with a chemistry set, argued the production of chemistry sets was a "patriotic duty." [5]
Chemical nomenclature, replete as it is with compounds with very complex names, is a repository for some names that may be considered unusual. A browse through the Physical Constants of Organic Compounds in the CRC Handbook of Chemistry and Physics (a fundamental resource) will reveal not just the whimsical work of chemists, but the sometimes peculiar compound names that occur as the ...
Golden rain demonstration is made by combining two colorless solutions, potassium iodide solution and Lead(II) nitrate solution at room temperature to form yellow precipitate.
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