Levels 3-7 - Test Papers
Levels 3-7 - Test Papers
Levels 3-7 - Test Papers
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2005 KS3 Science Mark Scheme Tier 3–6 Paper Two<br />
Tier<br />
3–6<br />
Q No<br />
5<br />
Part Mark Answer Accept Additional guidance<br />
a i<br />
3/2b<br />
1<br />
* the water or it went blue<br />
accept ‘it changed colour’<br />
accept ‘it got darker’<br />
accept ‘there were fewer crystals’<br />
accept ‘some of the crystals or copper sulphate<br />
disappeared’<br />
a ii<br />
3/2b<br />
1<br />
any one from<br />
* stir it<br />
* heat it<br />
* use hotter water<br />
* grind up or crush the crystals<br />
accept ‘use warm water’<br />
b<br />
3/2c<br />
1<br />
any one from<br />
* crystals<br />
* copper sulphate<br />
accept ‘solid’<br />
c i<br />
1/2k<br />
3/2b<br />
c ii<br />
1/2k<br />
3/2b<br />
c iii<br />
1/2j<br />
3/2b<br />
1<br />
1<br />
1<br />
* 10<br />
* Q<br />
* P and Q<br />
answers may be in either order<br />
both answers are required for the mark<br />
Total 6<br />
38