Page 63 - Science and Technology Std 3

FOR ONLINE USE ONLY
DO NOT DUPLICATE

The first picture in Figure 6 shows a boy drying up a machete.
The second one shows a girl oiling a hammer.
FOR ONLINE USE ONLY

After using tools, we should take care of them so that they last
longer. Tools should be cleaned and dried to remove moistness.

Some are cared for by oiling. Oiling helps to prevent rust.

Exercise

1. Mention the tools used to simplify work at home.

2. Mention the tools that simplify work at school.
3. Explain ways of caring for tools that simplify work.

Vocabulary

Crowbar a piece of wood or metal used to lift a heavy
load

Machete a large knife used for cutting a tree or a sugar

cane

Oil a liquid substance applied on metals to prevent

rust or to reduce friction

Oiling applying oil on an object

56

PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
Ministry of Education, Science and Technology
Science and Technology 3.indd 56 03/08/2019 11:02