For a moment he stared at the tiny fragments of broken glass, then without thinking, picked up another empty test tube and threw that to the floor as well, feeling some grim satisfaction at the sound it made and the way the shattered pieces scattered on the wooden floor.
(he; stared; at the tiny fragments of broken glass) (it; made; the shattered pieces scattered on the wooden floor) (the shattered pieces; scattered; on the wooden floor)
he it the shattered pieces
stared made scattered
at the tiny fragments of broken glass
the shattered pieces scattered on the wooden floor
on the wooden floor