Physics 0625 · IGCSE · Kinetic particle model of matter

Kinetic particle model of matter — practice question

(a(i))[1]

Explain why the ice cubes are floating in the water.

(a(ii))[3]

Calculate the mass of one cube of ice.

(b(i))[1]

State the name of the process in which a solid changes into a liquid.

(b(ii))[3]

Describe the changes in particle arrangement and motion as the ice changes from solid to liquid.

(c)[1]

State the name of the process that makes the liquid disappear.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: ice / it (is) less dense (than water) or equivalent

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