The poem's rhyme scheme should be AABB if the original version is written as
Instruments poised, chins high
Not a blink, nor a sigh
as every eye awaits her hand
to cue the members of the band.
In a physical change,cutting,tearing,shattering,grinding,and mixing will occur. If no chemical change happens,then the composition of the liquid does not change. If both aren’t involved,then nothing happens,they work together.