The sphere should be centered inside the beaker and lowered until it is ~2 cm above the bottom of the beaker when the beaker is placed on a hot plate.
(The sphere; should be centered; inside the beaker) (The sphere; lowered; T:until it is ~2 cm above the bottom of the beaker) (it; is; ~2 cm above the bottom of the beaker) (the beaker; is placed; on a hot plate)
The sphere The sphere it the beaker
should be centered lowered is is placed
inside the beaker
T:until it is ~2 cm above the bottom of the beaker
~2 cm above the bottom of the beaker
on a hot plate