How can you determine the volume of a regular solid ? P43-039 Density of materials checkpoint

The correct answer is By using length measurements and applying the formula for volume ? P43-039 density measurement and calculation.

Cause lens: Name the cause, then state the effect on particles, pressure, density, or energy. This question asks: How can you determine the volume of a regular solid ?. The correct response is By using length measurements and applying the formula for volume ? P43-039 density measurement and calculation, 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 describe how to determine the volume of a regular solid using length measurements. 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 76 is distinct because it uses this exact question context and the cause lens rather than a generic particle-model sentence.