Properties of Materials I
Basic Technology J.S.S 1 First Term
WEEK 7&8
Properties of Materials I
Performance Objectives
Students should be able to:
- Identify, classify and describe the properties of wood
- List wood and its uses
- Explain Natural and Artificial seasoning of defects
Content
Technological advancement over the years has taken several shapes, sizes, and form. The materials used in creating a technological piece include wood, metals, ceramics, rubber, and plastics; these materials come in different forms and each form performs unique functions.
Wood
Woods are identified by:
- Their colour
- Their classification into soft and hardwoods; their property e.g. hardwood has broad leaves while softwood has needle-like leaves.
There are trees all around us. Some are big.... View More
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