Question

experimentto identify pitchor shrillnessof different sounds​

Answer 1

Answer:

When the rubber bands are plucked in order, from thinnest to thickest, the sound will gradually change from a high pitch to a low pitch. When a ruler "bridge" is added, it absorbs some of the vibrations. The length of the rubber band that is able to vibrate becomes shorter.

Explanation:

Hope u understand the answer: )

Answer 2

Just as the strings inside a piano create different sounds, so too will the rubber bands. When the rubber bands are plucked in order, from thinnest to thickest, the sound will gradually change from a high pitch to a low pitch. When a ruler "bridge" is added, it absorbs some of the vibrations