Matter is anything that has mass and volume.
Mass is the amount of matter something contains.
Mass is measured in grams (g).
1000 grams = 1 kilogram
Volume is the amount of space something occupies.
Volume is measured in millilitres (ml).
1000 millilitres = 1 litre
Mass, volume, and density
Source | Science Bits
PEDROLEÓN.
NATURAL SCIENCE #2 