D&T O-Level Answer Schemes

Disclaimer:
1. These are not official answer schemes from UCLES and MOE.
2. These are my personal opinion on how I would grade my students if they were to take the paper.
3. There may be errors. Use at your own risk.

2009:

LightUp : Google SketchUp Rendering plugin

The developer's website

Materials Choice

1. Consider ALL parts of your product.

2. You can refer to this document for a start.


3. Refer to Chapter 15 of textbook, esp pages 311, 312.

• Plastics - pg 330-331
• Wood - pg 340-341
• Metal - pg 350

4. Give justification why you use certain materials for certain parts of your product.

5. Consider using ready-made parts in your design, but please highlight the source and specify that it is not made by you.

• IKEA products - (Catalog & Brochures , especially 2010 online brochure)
• Tamiya car mechanisms - (Local distributor Stargek, Online seller Vellrip)
• HomeFix hardware stores, Spotlight interior design & craft store
• Electronic Hobby Kits - (FutureKit local distributor: Space Electronics Pte Ltd #B1-07 Sim Lim Towe, Tel: 62989194, Catalog) 
• Hinges and catches - (for reference)