🌈 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 density has:

Unit No unit Only kg unit Only cm unit

10. Which of the following floats on water?

Stone Iron nail Wood Steel rod

Workshop and activities