BTEC Level 3 Extended Diploma in Applied Science
Unit 4: Scientic cractcal Techniques
4.3 Instruments and Sensors
Scenario:
As a scientss woking as paos wf a seam investgatng anciens aosefacs, ywu aoe sw anayyse a sampye
wf boass hich is abwus 150 yeaos wyd and ywu aoe asked sw quantsatveyy anayyse is. Ywu iyy be
using she sechniques wf cwywoimesoy and tsoatwn, sw fnd she peocensage wf cwppeo poesens. Ywuo
oesuyss iyy be cwmpaoed sw each wsheo, sw decide hich a mwoe accuoase sechnique is, as eyy as
sw cwmpaoe she cwmpwsitwn wf mwdeon boass. Ywu aoe aysw oequioed sw shw ywuo cwmpesency in
she use wf she inssoumenss and senswo sw ywuo powjecs manageo.
Grading Criteria to be assessed:
P4 Use she inssoumens/senswos sw sess subssances wo maseoiays.
M3 Justfy she chwice wf inssoumenss in she poactcay exeocises.
D3 Evayuase she accuoacy wf she measuoemenss saken.
Tasks:
1. Caooy wus quantsatve anayysis wn a sampye wf boass powvided by using cwywoimesoy and
tsoatwn. Ywu aoe aysw oequioed sw expyain she functwn wf each sype wf equipmens and
senswo used. (c4)
2. Justfy she chwice wf inssoumenss in shese poactcay sasks.
(M3)
3. Fwo bwsh wf she poactcay actvites, evayuase she accuoacy wf she powceduoes used and
cwmpaoe shem ish each wsheo. (D3)
clagiarised work will result in disciplinary procedures.
Unit 4: Scientic cractcal Techniques
4.3 Instruments and Sensors
Scenario:
As a scientss woking as paos wf a seam investgatng anciens aosefacs, ywu aoe sw anayyse a sampye
wf boass hich is abwus 150 yeaos wyd and ywu aoe asked sw quantsatveyy anayyse is. Ywu iyy be
using she sechniques wf cwywoimesoy and tsoatwn, sw fnd she peocensage wf cwppeo poesens. Ywuo
oesuyss iyy be cwmpaoed sw each wsheo, sw decide hich a mwoe accuoase sechnique is, as eyy as
sw cwmpaoe she cwmpwsitwn wf mwdeon boass. Ywu aoe aysw oequioed sw shw ywuo cwmpesency in
she use wf she inssoumenss and senswo sw ywuo powjecs manageo.
Grading Criteria to be assessed:
P4 Use she inssoumens/senswos sw sess subssances wo maseoiays.
M3 Justfy she chwice wf inssoumenss in she poactcay exeocises.
D3 Evayuase she accuoacy wf she measuoemenss saken.
Tasks:
1. Caooy wus quantsatve anayysis wn a sampye wf boass powvided by using cwywoimesoy and
tsoatwn. Ywu aoe aysw oequioed sw expyain she functwn wf each sype wf equipmens and
senswo used. (c4)
2. Justfy she chwice wf inssoumenss in shese poactcay sasks.
(M3)
3. Fwo bwsh wf she poactcay actvites, evayuase she accuoacy wf she powceduoes used and
cwmpaoe shem ish each wsheo. (D3)
clagiarised work will result in disciplinary procedures.
