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populop... Your reply is rather short. Do you mean the video is short? In that case if you read the description, it is short because it is a PREview of the full presentation that you can purchase at my teacher's resource website. Secondly, if you notice in the picture when the sub is completely full it does sink. That is how buoyancy works on a submarine.
TeachPowerTV 1 year ago
short if you fil a boat with water it will sink
populop 1 year ago