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Density Quiz - Class 7 ICSE 🌈 Density Quiz - Class 7 ICSE 1. Density is defined as: Mass per unit volume Volume per unit mass Force per unit area Weight per unit length 2. SI unit of density is: kg/m³ g/cm N/m² kg 3. Formula of density is: Density = Mass × Volume Density = Mass ÷ Volume Density = Volume ÷ Mass Density = Force ÷ Area 4. Which substance generally has higher density? Air Water Iron Cotton 5. Objects float in water when their density is: Greater than water Equal to water Less than water Infinite 6. Which measuring instrument is commonly used to measure mass? Thermometer Beam balance Barometer Stopwatch 7. Density of a liquid can be found using: Mass and volume Speed and time Force and area Temperature and pressure 8. A material with tightly packed particles usually has: Low density High density No density Same density always 9. Relative...