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Submitted by Nora Carrot on Wed, 10/03/2018 - 13:47
https://mindlabkids.s3.ap-southeast-2.amazonaws.com/user/2/field_video/Pos%20v%20neg%20question/Pos%20v%20neg%20question__720.mp4
1 person
15 mins

Ever wondered why wires have positive and negative ends? Does that mean one side is happy and one is sad? Help Nora Carrot suss this out!