Materials and… · SHS1 Applied Technology

Lesson notes

Learning Objectives

Indicator: 1.5.2.LI.2 - Discuss the advantages of manufactured boards over solid wood.

By the end of the lesson, learners can:

State at least four advantages of manufactured boards over solid wood from their group discussions and the teacher’s presentation.
Explain, in their own words, why manufactured boards are generally cheaper and more stable than solid wood.
Compare manufactured boards and solid wood by tabulating differences in cost, stability, size, and surface quality.
Identify at least two limitations of manufactured boards, showing a balanced understanding of the topic.
Justify the choice of a manufactured board over solid wood for a given woodwork project scenario.

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Curriculum details

Strand: Woodwork Technology (Strand 5)
Sub-strand: Materials and Artefacts Production Woodowrk Industry in Ghana (5.2)
Content standard: 1.5.2.CS.2 - 1.5.2.CS.2 Demonstrate knowledge and understanding of Utilisation of Manufactured Boards from Wood Residues. 1.5.2.LO.1 Demonstrate knowledge and understanding in the classification of timber and its processing phases in the woodwork industry. 1.5.2.LO.2 Demonstrate knowledge and understanding of manufactured boards from Wood and non-wood residues to describe their types and uses
Indicator: 1.5.2.LI.2 - Discuss the advantages of manufactured boards over solid wood.
Suggested placement: Semester 2, Week 18 (Week 38 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 64

Exemplars (from the NaCCA curriculum)

Critical Thinking and Talk for Learning Approaches: Guide learners through whole class session to brainstorm the meaning of manufactured boards (Engineered wood) with open-mindedness Group work/Collaborative Learning
- Task learners in mixed ability groups to politely discuss the types and characteristics of manufactured boards.
- Task learners in mixed gender ability groups to surf for YouTube videos and watch the production processes of manufactured boards with open-mindedness.
- Assist learners in mix ability groups to co-operatively discuss and tabulate the advantages and disadvantages of manufactured boards over solid wood in an orderly manner.

Assessment (1.5.2.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall; Level 2 Skills of conceptual understanding.

Teaching and Learning Materials:
- Hand specimens of softwoods and hardwoods/xylarium
- YouTube videos on timber conversion/Flip chart
- specimens of wood sawn using the conversion methods.
- YouTube videos on timber seasoning/Flip chart
- specimens of seasoned timber
- Computer/Smart phone
- Magnifying hand lens/knife
- Wood anatomy laboratory/Visit a xylarium/collection of timber species specimens
- Hand samples of manufactured boards
- YouTube videos on manufactured boards/Flip chart
- Computer/Smart phone