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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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