1 Apple
3 Glass Cups
300mL of Tap Water
300mL of Vinegar
Peeler
Cling Wrap
Method
(Set equipment up as shown in diagram below)
1. Get three medium size, clear glass cups2. Label them as ‘A’, ‘B’ & ‘C’
3. Pour 200mL of tap water in cup ‘A’
4. Pour 100mL of tap water & 100mL of vinegar into cup ‘B’
5.Pour 200mL of vinegar into cup ‘C’
6.Get an apple
7.Peal the skin off the apple
8.Cut it into 3 equal pieces that are 3cm wide, 3cm long & 1cm thick
9.Place one slice of the apple into each of the 3 solutions
10.Cover all three cups with a layer of cling wrap & leave them in a shaded spot for 7days
11. Construct a table like the one shown below
12.Record observations of the solutions on each apple everyday at a fixed time on table (eg. 10:00am everyday). Take into consideration especially the colour & texture of the apple
13. Take photo of solution when recoding observations & include it of recording table everyday
14.Repeat entire experiment two more times for reliability
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