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14.1 Density and states of matter

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Question 4

A student wants to determine the volume of an irregular granite stone by measuring the volume of water it displaces.

The student wrote the following method in her lab notebook:

  1. I poured some water into a measuring cylinder.
  2. I lowered the granite stone carefully into the water.
  3. I read and recorded the new level of the water.
  4. This final reading was the volume of the granite stone.

The student's method is incomplete and incorrect.

Suggest two steps that the student should add or change to make this description a correct and complete procedure for finding the volume of the granite stone.

[2]
Markscheme

14.1 Density and states of matter Questions

  1. GCSE
  2. /Physics
  3. /14.1 Density and states of matter

55 exam-style questions on Edexcel GCSE Physics 14.1 Density and states of matter, covering 14.1.1 Kinetic theory and states of matter, 14.1.2 Density, and 14.1.3 Density and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.

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