Methods scientists use to determine if a change was physical or chemical.

Chemical reactions can be identified when there is a change in color, energy is produced, change in odor, or if new substance forms.

Chemical change can be determine by
change in color
energy
change in odor
rusting metal
wood burning
Physical change can be determine by
Ripping of paper
Sharpening of a pencil
Boiling of water
Melting an ice cube
Braking of glass

hope it helps

10.063g / 10.00 ml = 1.0063 g/ml which rounds off to 4 sig figs as: 1.006 g/ml