This is my science experiment from yesterday. We had to watch a video about sound and vibrations, but I made a string phone. I made it with two plastic cups, a string, a sharp pencil and sellotape. First I got the two cups and put sellotape on the bottom outside, then I poked a hole in the middle on the sellotape and when there was a hole big enough for the string to fit. After you made the hole the you take the sellotape of and put the string in the hole and the tie a knot at the end and then pull it tight and talk. WALLAH!
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