Science exploration Blow over the neck of a bottle. What happens ? Pour a small amount of water in the bottle and blow again. Add more water and repeat. Does the sound change? Explain.
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Answer:
Explanation:
When you blow across the top of the bottle, you set the air molecules vibrating and produce sound waves. … Adding more water gives them less space to vibrate in, making them vibrate faster and producing a higher pitch.
Answer:
Explanation:
When you blow across the top of the bottle, you set the air molecules vibrating and produce sound waves. … Adding more water gives them less space to vibrate in, making them vibrate faster and producing a higher pitch.
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Answer:
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