/edexcel/questions","basePath":"/gcse/physics/edexcel/density-and-states-of-matter/questions","formulaUrl":null,"initialIndex":64,"initialQuestionWindow":[{"id":"cc58b44b-6e2e-4196-a589-ea5701e3687f","revisionId":"b5821e52-1f6c-4a00-87bd-9fc51ca443b5","questionNumber":null,"questionType":"LA","specification":"A student measures the volume of a liquid sample using a measuring cylinder.\n\n![Figure 1a shows an empty measuring cylinder on a digital balance displaying a reading of 115.0 g. Figure 1b shows the same measuring cylinder filled with a green liquid on the balance displaying a reading of 155.0 g, with a close-up of the scale on the measuring cylinder showing the level of the liquid meniscus exactly at 40 cm³.](https://assets.mathsgenie.co.uk/aqa-qb/e4c7f506-2f9f-4c5d-81d0-8e83eac00106.png)","difficulty":2,"difficultyBand":"easy","totalMarks":1,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"80e0aeab-0b38-4744-8c80-0a25d901d448","label":null,"content":"Calculate the volume of liquid added.\n\nUse the information in Figure 1a and Figure 1b.","markscheme":"- Reads the bottom of the liquid meniscus on the graduated scale of the measuring cylinder in Figure 1b to find a volume of $40\\text{ cm}^3$ (or $40\\text{ ml}$) B1","marks":1,"order":0,"markingRubric":null,"explanation":{"methods":[{"id":"read_cylinder","label":"Read the measuring cylinder","steps":[{"type":"text","order":0,"title":"Read the meniscus","content":"Use the graduated scale on Figure 1b, not the balance readings: the question asks for **volume**.\n\nRead the **bottom of the meniscus** (the curved liquid surface). It lines up exactly with the $40\\text{ cm}^3$ mark. This is the single marking point (B1).","highlights":[{"text":"Calculate the volume of liquid added.","location":"specification"},{"text":"Figure 1b","location":"specification"}]}]}],"generatedAt":"2026-07-22T09:33:12.038Z","modelVersion":"gpt-5.6-terra+diagrams-1","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"d2200416-0225-408e-b5b1-9cd48a2a1535","revisionId":"c4c69504-5597-4afb-a909-74cc1c3cce1d","questionNumber":null,"questionType":"LA","specification":"","difficulty":3,"difficultyBand":"easy","totalMarks":2,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"688270b8-3f0c-405e-b8cd-c533485a43c3","label":null,"content":"Describe, in terms of particles, **two** differences between a liquid and a gas of the same substance.","markscheme":"- Identifies a first correct contrasting difference in particle **arrangement/spacing** (e.g. liquid particles are closely packed/touching, whereas gas particles are far apart with large gaps) B1\n- Identifies a second correct contrasting difference in particle **movement** or **forces/energy** (e.g. liquid particles can slide or flow past each other, whereas gas particles move randomly at high speeds; or forces of attraction are stronger in a liquid than in a gas; or gas particles have more kinetic energy than liquid particles) B1","marks":2,"order":0,"markingRubric":null,"explanation":{"methods":[{"id":"particle_comparison","label":"Compare the particles","steps":[{"type":"text","order":0,"title":"Compare the spacing","content":"Write one direct contrast about how the particles are arranged:\n\nLiquid particles are closely packed or touching, whereas gas particles are far apart with large gaps.\n\nArrangement/spacing: B1","highlights":[{"text":"in terms of particles","location":"specification"}]},{"type":"text","order":1,"title":"Compare particle movement","content":"Liquid particles can slide or flow past one another, whereas gas particles move randomly at high speeds.\n\nMovement: B1","highlights":[{"text":"**two**","location":"specification"}]}]}],"generatedAt":"2026-07-22T11:43:38.675Z","modelVersion":"gpt-5.6-terra+diagrams-1","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"d6dc6427-1d93-44a9-ad8b-8fe1e6c19ae5","revisionId":"1b0d8e42-a89e

Density and states of matter

Question 41

Density and states of matter Questions

Density and states of matter

Question 41

Density and states of matter Questions