It also describes that a balance is used to compare the mass of two objects, and explains the three phases of matter (solid, liquid and gas).
(a balance; to compare; the mass of two objects) (It; explains; the three phases of matter (solid, liquid and gas) (It; describes; that a balance is used to compare the mass of two objects) Context(It describes,List([0, 17))):(a balance; is used; to compare the mass of two objects)
It describes,List([0, 17))
a balance It It a balance
to compare explains describes is used
the mass of two objects
the three phases of matter (solid, liquid and gas
that a balance is used to compare the mass of two objects
to compare the mass of two objects