Year 8 Lesson: Finishing Techniques: Polishing, Coating, Texturing

Curriculum Links

ACTDEK036: Generate, develop, test and communicate design ideas, plans and processes for audiences using appropriate technical terms and technologies including graphical representation techniques.

ACTDEP038: Independently develop criteria for success to assess design ideas, processes and solutions and their sustainability.

ACTDEP040: Evaluate design ideas, processes and solutions against comprehensive criteria for success recognising the need for sustainability.

Aboriginal Cultural Standards Framework: Cultural Responsiveness Standard - Staff embed Aboriginal cultural knowledge, such as traditional finishing in artefacts, to demonstrate respect for community values and aesthetic practices.

Cross-Curriculum Priority: Aboriginal and Torres Strait Islander Histories and Cultures - Students explore Indigenous finishing techniques to understand cultural significance in metalwork.

Reading: Finishing Techniques: Polishing, Coating, Texturing

Finishing techniques in metalwork are essential for enhancing both the aesthetics and durability of products. Polishing involves using abrasives to smooth metal surfaces, removing imperfections and creating a shiny, reflective finish. This process typically uses buffing wheels and compounds to achieve different levels of shine, from matte to mirror-like. Polishing not only improves appearance but also helps prevent corrosion by sealing the surface.

Coating techniques apply protective layers to metals, such as lacquer, paint, or powder coatings, to shield against environmental factors like moisture and UV rays. These coatings add color, texture, or rust resistance, extending the lifespan of the product. Electroplating, a type of coating, deposits a thin metal layer like chrome for added protection and shine. Coatings can be eco-friendly, using water-based formulas to reduce harmful emissions.

Texturing adds surface patterns using tools like hammers, files, or chemical etching, providing grip, visual interest, or hiding flaws. Techniques include hammering for dimpled effects or rolling for embossed designs. Texturing enhances functionality, like non-slip handles, and adds artistic uniqueness. Safety is paramount, requiring masks for dust, gloves for chemicals, and eye protection for flying debris.

Indigenous Australians used natural finishes, like oils from plants for polishing tools and weapons, providing protection and shine. Engraving and carving created textured patterns with cultural symbols, integrating stories into artefacts. Post-contact, they adapted metal finishing techniques for hybrid items, maintaining traditions. These techniques promote sustainability by using eco-friendly materials, reducing waste. In modern design, students apply polishing, coating, and texturing to create functional and beautiful products, learning cultural relevance and innovation. (Word count: 468)

Spelling Bank

Here are 20 words from the reading for spelling practice (click to hear the word and a sentence):

Example Sentences

  1. Finishing techniques enhance metal products.
  2. Polishing uses abrasives to smooth.
  3. Coating applies lacquer for protection.
  4. Texturing creates patterns with hammers.
  5. Safety requires masks and gloves.
Fill in the Blanks (Using words from the reading)
1. Polishing uses __________ to smooth surfaces.
✔✘ Attempts remaining: 2
2. Coating applies protective layers like __________.
✔✘ Attempts remaining: 2
3. Texturing adds surface __________ using tools.
✔✘ Attempts remaining: 2
4. Safety requires __________ for dust.
✔✘ Attempts remaining: 2
5. Indigenous used natural __________ for polishing.
✔✘ Attempts remaining: 2
6. Polishing removes __________ from surfaces.
✔✘ Attempts remaining: 2
7. Techniques promote __________ with eco-friendly materials.
✔✘ Attempts remaining: 2
Multiple Choice Questions
1. Polishing creates?
Attempts remaining: 2
2. Coating prevents?
Attempts remaining: 2
3. Texturing uses?
Attempts remaining: 2
4. Safety for chemicals?
Attempts remaining: 2
5. Indigenous used for texturing?
Attempts remaining: 2
6. Texturing adds?
Attempts remaining: 2
7. Finishing promotes?
Attempts remaining: 2
Correct: 0
Wrong: 0
Resit test to get 100%

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