Date | May 2010 | Marks available | 1 | Reference code | 10M.3.sl.TZ2.C1 |
Level | SL | Paper | 3 | Time zone | TZ2 |
Command term | State | Question number | C1 | Adapted from | N/A |
Question
Nanotechnology creates and uses structures that have novel properties because of their size.
State the size range of structures which are involved in nanotechnology.
Discuss two implications of nanotechnology.
Markscheme
1 nm to 100 nm;
reference to effect on human health (e.g. unknown, immune system may not cope, unsatisfactory toxicity regulations);
reference to effect on employment (e.g. increased job opportunities, adverse effect on traditional industries);
reference to effect on quality of life (e.g. medical advances, faster computers, improved performance of electronic equipment);
reference to public opinion (e.g. need to improve information, encourage discussion, seek approval);
reference to nanotechnology being developed in wealthier nations hence increasing the divide between different nations;
Examiners report
As a relatively new topic, nanotechnology still seems to present a significant challenge to the small proportion of candidates studying Option C and whilst many knew the scale upon which it operated and a few could gain credit for implications, usually related to health concerns, hardly any could distinguish between physical and chemical techniques.
As a relatively new topic, nanotechnology still seems to present a significant challenge to the small proportion of candidates studying Option C and whilst many knew the scale upon which it operated and a few could gain credit for implications, usually related to health concerns, hardly any could distinguish between physical and chemical techniques.