Properties of materials II


Sub-Theme: Safety, Material and Processing

Theme Understanding Basic Science and Technology


Properties of materials 2

Performance objectives

Students should be able to:

  1. List and explain the two classifications of wood.
  2. Give the difference between hardwood and softwood
  3. List the uses of wood.


Classification of wood

Wood is broadly classified into

  1. Hardwood
  2. Softwood
  1. Hardwood: they are also known as deciduous trees which has broad leaves that are shed annually in the dry season to prevent loss of water e.g. insomnia, mahogany, afara, omo, beech, obeche etc.
  2. Softwood: they are also known as coniferous trees that have needle-like leaves which do not shed annually and are evergreen in.... View More

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