Contents
iv
How to use this book Biology practicals 4.1.1.2
Microscopy
1
4.1.3.2
Osmosis
5
4.2.2.1
Food tests
9
4.2.2.1
Enzymes
12
4.4.1.2
Photosynthesis
15
4.5.2
Reaction time
19
4.7.2.1
Field investigations
24
Chemistry practicals 5.4.2.3
Making salts
29
5.4.3.4
Electrolysis
33
5.5.1.1
Temperature changes
38
5.6.1.2
Rates of reaction
43
5.8.1.3
Chromatography
50
5.10.1.2
Water purification
55
Physics practicals 6.1.1.3
Specific heat capacity
60
6.2.1.3
Resistance
66
6.2.1.4
I–V characteristics
70
6.3.1.1
Density
75
6.5.3
Force and extension
79
6.5.4.2.2
Acceleration
84
6.6.1.2
Waves
89
6.6.2.2
Radiation and absorption
93
Equations
97
Answers
99
AQA GCSE (9–1) Combined Science: Trilogy Required Practicals Lab Book
iii
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