Solids, Liquids & Gases · 0 question types
Past paper frequency (2018 to 2024)
This topic accounts for approximately 8% of your exam marks.
ρ = m/V and pressure calculations (P = F/A, P = hρg) appear as standard calculation questions.
| Equipment | Purpose | Resolution |
|---|---|---|
| Digital balance | Measures the mass of every sample | 0.01 g |
| 30 cm ruler | Measures lengths of regular solids (≥ a few cm) | 1 mm |
| Vernier calipers | Measures smaller solid samples accurately | 0.01 mm |
| Micrometer screw gauge | Measures the smallest samples (wires, thin discs) | 0.001 mm |
| Eureka (displacement) can with spout | Catches the water displaced by an irregular solid | — |
| Measuring cylinder | Reads the displaced water and the volume of any liquid sample | 1 ml |
| Beaker / sample container | Holds liquid being weighed | — |
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