sound

sound

1. sound travels in vibrations

2. Sound travels the fastest when it is going through a solid

3. Dogs can hear sound at a higher frequency than humans, allowing them to hear noises that we can’t.

   • Our ears vibrate in a similar way to the original source of the vibration, allowing us to hear many different sounds.

4. da man

5. attacks before they happen. Sound can’t travel through a vacuum (an area empty of matter).

6. http://www.sciencekids.co.nz/sciencefacts/sound.html

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