Page 69 - Science and Technology Std 3

FOR ONLINE USE ONLY
DO NOT DUPLICATE

measure the volume of different liquids. Devices for measuring
the volumes of liquids are measuring cylinders and beakers.
Such liquids are kerosene, milk, water and cooking oil.
FOR ONLINE USE ONLY

Measuring mass using a non-standard measurement

Look at the following picture and then read the description
that follows.

Figure 5 Measuring mass using a tin and a bowl

The picture in Figure 5 shows a boy measuring mass. He is
using a tin and a bowl to measure the mass of sand.

Activity 5 Measuring mass

Materials

Tin, bowl (which can measure a mass of about 1 kilogram)

Procedure
(i) Weigh one tin and one bowl full of sand.

(ii) Compare their masses by holding a tin on the one hand
and a bowl on the other hand.

What is the mass difference between the two?

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PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
Ministry of Education, Science and Technology
Science and Technology 3.indd 62 03/08/2019 11:02