PROCESSING OF MATERIALS- CERAMICS AND GLASS, PLASTIC AND RUBBER : LSUS

Basic Technology JSS3 First Term

WEEK – FIVE

PROCESSING OF MATERIALS- CERAMICS AND GLASS, PLASTIC AND RUBBER

PERFORMANCE OBJECTIVE

By the end of the lesson, the students should be able to learn:

  • METHODS OF PROCESSING
  • PRODUCTION AND USES OF CLAY, CERAMIC AND GLASS
  • PRODUCTION OF PLASTICS AND RUBBER

CONTENT

PROCESSING CLAY

Pottery is the act of using clay to make different objects like pots, flower vases, tea cups and dishes.

Procedure

  1. Clay preparation: Clay is first dug from the soil. It is thoroughly mixed with water in the right proportion and pounded using hands, feet or pestle and mortal. Air bubbles are removed and it becomes soft. Sand particles as well as stones are removed during mixing.
  2. Moulding of articles:.... View More

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