Starter quiz
- Why are risk assessments important in a workshop?
- To increase the speed of production where possible
- To prevent accidents and injuries where possible ✓
- To reduce costs where possible
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- What does the 'purpose' of the product mean?
- where the product will be used
- the user of the product
- the intended function of the product ✓
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- Match the material property to the correct definition.
- compressive strength⇔the ability of a material to resist crushing forces ✓
- electrical conductivity⇔how well a material allows electricity to pass through ✓
- heat insulator⇔a material that does not allow heat to pass through easily ✓
- Why do designers use chooser charts?
- They help designers choose research in their designs.
- They help designers choose materials in their designs. ✓
- They help designers choose users in their designs.
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- What does HIPS as a polymer stand for?
- 'High impact polystyrene' ✓
- Which type of polymer is most likely to be used for classroom chair shells?
- Polyvinyl Chloride (PVC)
- Polypropylene (PP) ✓
- High Impact Polystyrene (HIPS)
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Exit quiz
- Which of these is not an adhesive?
- Tensol cement
- Screws ✓
- PVA glue
- Glue gun
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- What should be first considered when choosing a fabrication method?
- Colour
- Material ✓
- Price
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- What is a benefit of using PVA for fabricating timber over mechanical fixings?
- They are stronger.
- You can see them easily.
- They provide a clean finish. ✓
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- Link the key word to the definition.
- fabricating⇔joining materials together ✓
- adhesives⇔joining materials together using sticky substances ✓
- mechanical fixing⇔joining materials together with a component ✓
- Which material is best joined using welding?
- Metal ✓
- Fabric
- Timber
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- Which of these are mechanical fixings?
- Bolt ✓
- Staple ✓
- PVA glue
- Masking tape
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Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Materials can be joined using adhesives
- Materials can be joined using mechanical fixings
Common misconception
Glue guns are a better adhesive than PVA glue for timbers.
This is not always true. PVA absorbs into the timbers and creates a good bond. Glue guns may add thickness to the join.
Keywords
Fabricate - to join materials together
Adhesives - joining materials together using sticky substances
Mechanical fixing - a component which joins materials together
Deformation - a change in shape of objects due to physical forces acting upon them
Friction - the force that resists motion when two surfaces come into contact with each other
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