Electric circuit: Making simple electric circuit by battery, safety pin, wires and a bulb
182 هزار بار بازدید -
5 سال پیش
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To perform this activity on
To perform this activity on your phone by yourself, download Spark Learning App for free https://goo.gl/Rj6iRg.
5 سال پیش
در تاریخ 1398/05/30 منتشر شده
است.
182,012
بـار بازدید شده