Units

Units of mass

Metric unit= gram (g)

Kilograms (kg)

Milligram (mg)

Microgram (ug)

Measuring volume

Volume is derived from length

1cm x 1cm x 1 cm = 1 cm³

Volume of solid objects:

• regular shape use formula and measurement s

• Irregular shape use volume displacement

  V object = V final - V initial

• The volume of an object can be measured by determining the volume of water that it displaces

  
  

1gm= 10^9 m

1nm= 10^-9 or 1 m = 10^9 nm