Abstract:The development of science and technology is now inseparable from the use of energy, one of which is electrical energy. Energy is a basic human need, which continues to increase in line with the level of community life that continues to develop. Energy sources that can be found daily are sources of solar energy, air, wind and organic waste/biogas. This is studied in the 4th grade subject on theme 2 regarding energy sources and their changes. In order to make the delivery of material more interactive and intere… Show more
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