ELEMENTARY SCIENCE OR GENERAL SCIENCE?
نویسندگان
چکیده
منابع مشابه
Standard 4—Science Elementary
This is evident, for example, when students: ▲ investigate the interactions of liquids and powders that result in chemical reactions (e.g., vinegar and baking soda) compared to interactions that do not (e.g., water and sugar). ▲ in order to demonstrate the transformation of chemical to electrical energy, construct electrical cells from objects, such as lemons or potatoes, using pennies and alum...
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ژورنال
عنوان ژورنال: School Science and Mathematics
سال: 1917
ISSN: 0036-6803
DOI: 10.1111/j.1949-8594.1917.tb01845.x