What does it mean if something vibrates?

What does it mean if something vibrates?

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.

Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?

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.

Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?

Pat's class is given an empty metal can with plastic wrap stretched across the top secured with a rubber band. His teacher sprinkles salt on the top of the plastic wrap. He is given a tuning fork and told to strike it on the desk and touch it to the side of the can. The rice starts to jump and he hears a sound. Why is this happening?

How does sound travel to our ears?

Which investigation does NOT provide evidence relating to sound and vibrations?

Investigation 1: Austin plays a song in the talent show with a guitar he's made. He put four rubber bands over the opening of an empty tissue box and plucks them. When they move it makes music.

Investigation 2: Kim treats her friends poorly and says mean things to them in the science lab. She was trying to hit them with the ruler and snap them with rubber bands. They asked her to stop.

Which investigation does NOT provide evidence relating to sound and vibrations?

Investigation 1: Austin plays a song in the talent show with a guitar he's made. He put four rubber bands over the opening of an empty tissue box and plucks them. When they move it makes music.

Investigation 2: Kim treats her friends poorly and says mean things to them in the science lab. She was trying to hit them with the ruler and snap them with rubber bands. They asked her to stop.