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Edexcel | Physics 4PH0 | W 17 1 | Q2

W 17 1
2
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Marbles is a game played with small balls of coloured glass.

Each ball is known as a marble.

 

W 17 1
2
(a)
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3 Mark s

Describe how a millimetre scale and two set squares can be used to measure the

diameter of a marble.

You may draw a diagram to help your answer.

 

   

MP1. set squares used correctly to mark

diameter of marble;

 

 

MP2. Set squares measured against ruler;

 

MP3. EITHER

repeat and find average (mean); 

OR

measure 2 or more marbles (in a line); 

 

allow labelled

diagram 

 

 

W 17 1
2
(b)
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5 Mark s

 Describe an experiment to find the density of a marble.

  You may draw a diagram to help your answer.

 

   

  

 Any 5 from 

MP1. mass measured;

 

MP2. suitable device for measuring mass;

MP3. suitable container named e.g.

measuring cylinder, displacement can;

 

MP4. displacement method described (cabe shown on diagram);

MP5. volume determined e.g.=volume

after-volume before or volume

displaced;

 

MP6. repeats and averages OR more than

2 marbles used;  

 

MP7. uses density= mass/volume;

 

Allow 

 

 

 

 

 

labelled/annotated

diagram  

uses diameter to

calculate the volume

states V= 4/3 

 

 

 

allow recognisable

symbols 

 

 

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