Question detail
A cube of ice has a mass of 100 g and a density of 0.92 g/cm³. What is the volume of the ice (Density of materials) (Density of materials; definition focus: Apply MS 1c and MS 3c skills when using standard form, significant figures and rearranging the density equation) (Density of materials; definition focus: Apply MS 1c and MS 3c skills when using standard form, significant figures and rearranging the density equation)
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Changes of state and the particle model
Question
- A. 108.7 cm³
- B. This confuses density with a different particle-model idea in Changes of state and the particle model.
- C. This gives a vague particle statement without answering the definition focus.
- D. This reverses the cause and effect for Density of materials.
Answer
The correct answer is 108.7 cm³.
Explanation
Evidence lens: Use the data, graph feature, practical observation, or particle behaviour that proves the answer. This question asks: A cube of ice has a mass of 100 g and a density of 0.92 g/cm³. What is the volume of the ice (Density of materials) (Density of materials; definition focus: Apply MS 1c and MS 3c skills when using standard form, significant figures and rearranging the density equation) (Density of materials; definition focus: Apply MS 1c and MS 3c skills when using standard form, significant figures and rearranging the density equation). The correct response is 108.7 cm³, because density links mass and volume, so the answer must preserve which quantity is being calculated. In Density of materials, the marking point should connect directly to apply MS 1c and MS 3c skills when using standard form, significant figures and rearranging the density equation. If the question includes values, the working must keep the appropriate unit and operation; if it is an explanation, it must name the relevant particle behaviour or energy change. This item belongs to Changes of state and the particle model, so avoid answers that switch to a different quantity, confuse heat with temperature, or describe gas pressure without collisions when collisions are the reason. Checkpoint 105 is distinct because it uses this exact question context and the evidence lens rather than a generic particle-model sentence.
Common mistake
Misunderstanding Density Calculation
Students often confuse the rearrangement of the density equation, leading to incorrect calculations of mass or volume.
To fix this, students should practice rearranging the density equation (density = mass/volume) clearly, ensuring they understand how to isolate each variable correctly.
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