Ways physical quantities can be measured 

Mass (g) Length (m) Volume (L or m3) Temp. ( K or C) 

When making measurements it is important to consider 

sig figs rounding off standard notation vs, scientific notation 


Mass(g)/Volume(mL or cm3) 


Density of a substance (g/mL)/ Density of water at the same temp (g/mL) 
