Page 60 - Science and Technology Std 3

FOR ONLINE USE ONLY
DO NOT DUPLICATE

Study the following pictures and then read the description that
follows.
FOR ONLINE USE ONLY

Figure 3 Using a hammer and a spanner

Figure 3 shows a person driving a nail into timber using a
hammer. Another person is tightening a nut using a spanner.

You can drive nails into wood by pressing them with hands

or hitting them with a hammer. It is simpler to use a hammer
than hands. You can also tighten and loosen nuts using hands
or a spanner. However, it is simpler to tighten or loosen nuts
with a spanner than hands.

Look at the following picture and then read the description

that follows.

Figure 4 The use of wheelbarrow

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PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
Ministry of Education, Science and Technology
Science and Technology 3.indd 53 03/08/2019 11:02