Question detail
For Density of materials, which option correctly completes the gram per cubic centimetre density calculation in the objective: Calculate volume when mass and density are known.?
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. The 600 g mass divided by 150 cm? gives 4 g/cm?. (Density gram per cubic centimetre density).
- B. Incorrect: this changes the unit system unnecessarily for gram per cubic centimetre density.
- C. Incorrect: this multiplies mass by volume for gram per cubic centimetre density.
- D. Incorrect: this gives a mass answer instead of density for gram per cubic centimetre density.
Answer
The correct answer is The 600 g mass divided by 150 cm? gives 4 g/cm?. (Density gram per cubic centimetre density)..
Explanation
Practical lens: Link apparatus, readings, and uncertainty to the exact measurement named in the objective. This question asks: For Density of materials, which option correctly completes the gram per cubic centimetre density calculation in the objective: Calculate volume when mass and density are known. The correct response is The 600 g mass divided by 150 cm? gives 4 g/cm?. (Density gram per cubic centimetre density)., 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 calculate volume when mass and density are known. 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 38 is distinct because it uses this exact question context and the practical lens rather than a generic particle-model sentence.
Common mistake
Volume Calculation Confusion
Students often confuse the formula for calculating volume, mistakenly using mass divided by density instead of density divided by mass.
Remind students that to calculate volume when mass and density are known, they should use the formula: volume = mass / density.
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