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Form 3 Physics - Boys'' Secondary Mosta Half-Yearly Examinations - Kullegg Maria Regina, 2012 Page 2

ECTION

This section carries 40 marks.

This question is about the density of liquids.

a) Paul needs to find the density of wine. He pours some wine into a beaker. His

teacher tells him that he needs to use two other pieces of apparatus. Label

each apparatus shown in Figure 1 and in Figure 2.

(i)

(ii)

0.00

Figure 2

[2]

Figure 1

b) If the mass of the empty beaker is 120 g and the mass of the beaker filled with

wine is 180 g, what is the mass of wine in grams?

_______________________________________________________________ [1]

c) He pours the wine into the apparatus shown in Figure 1 and notices that the

volume of wine is 62.5 cm

. Calculate the density of wine.

_______________________________________________________________ [2]

d) If the experiment is repeated with a smaller volume of wine, would the density

of wine be greater than, smaller than or equal to the answer in question c?

_______________________________________________________________ [1]

e) Paul notices that the cork top that is used to seal the bottles

floats on wine. Why does it float on wine?

cork top

_______________________________________________________________ [2]

Page 2 of 8

Physics Half yearly exam 2012 – Track 3 - Form 3

Form 3 Physics - Boys'' Secondary Mosta Half-Yearly Examinations - Kullegg Maria Regina, 2012 Page 2