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day and night working model science project - diy for science exhibition - in simple | howtofunda
day and night working model science project - diy for science exhibition - in simple and easy steps #dayandnight #workingmodel #scienceexhibition #sciencefair #howtofunda #workingproject #modelmaking #socialscience #socialscienceworkingmodel Simple explanation : Day and night are like Earth's magical costume changes. When the Sun is up, it's ...
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