Question: Part 1. Perform the activity below. , 1. Get a short length of rope, or thin chain. 2. Rotate it slowly, in a uniform motion,

 Part 1. Perform the activity below. , 1. Get a short

Part 1. Perform the activity below. , 1. Get a short length of rope, or thin chain. 2. Rotate it slowly, in a uniform motion, to create one node. 3. Repeat the process but try to create two nodes (or more). Questions: 1. What must be done to create more nodes? 2. If the speed of rotation is not uniform, what happens? Part 2. 1. Pick a quiet place. Cup your hands behind your ears for a short while. Any difference in the sound? 2.Go to a noisy place (outside the house, beside the road, or the like} and let your ears get used to the sounds. Cup your hands behind your ears and observe if there are any changes in the sounds you hear. 3. What would account for the changes in the sound

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