Page 29 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six
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Biology for Secondary Schools
Mass
Mass is the quantity of matter of an object. Everything in the world is made up of
matter. Mass is measured using a weighing balance or a weighing scale. It is often
expressed in grams (g) or kilograms (kg), whereby 1000 g = 1 kg. The weighing
balance can be manual or digital. Examples of weighing scales are shown in
FOR ONLINE READING ONLY
Figure 2.22 and 2.23.
(a) (b)
Figure 2.22: Weighing scales (a) beam balance (b) digital scale
Figure 2.23: Using a beam balance to measure mass
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