Provide evidence relating sound and vibrations - 1st Grade Science

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Question

Which investigation provides evidence relating to sound and vibrations?

Investigation 1: Jack hits a tuning fork on a desk and watches it move back and forth and hears a noise when he moves close. Jack observes a still tuning fork and hears nothing.

Investigation 2: Amber feels rumbling and hears growling in her stomach so she eats mac and cheese for lunch.

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Answer

Investigation 1 provides evidence that there is a relationship between sound and vibrations. The tuning fork is moving back and forth (vibrating) and a sound was made. Jack is able to see the vibrations and then hear a notice when he makes his observations. This shows a link between sound and vibration.

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