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Physical Quantities and Measurement — Revision Notes

ICSE · Class 7 · Physics

Physical Quantities and Measurement revision notes for ICSE Class 7 Physics: 4 topics in quick points. Part of the ICSE Class 7 Physics syllabus.

43 questions35 flashcards16 formulas & key relations5 concepts

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Key Topics to Revise

1

1. Basic Physical Quantities and Measurement

  • Measurement is comparison of an unknown quantity with a fixed known quantity of the same kind called the unit.
  • Magnitude of a quantity is written as number of times the unit is contained in the quantity × unit.
  • Length is the distance between two points. Its S.I. unit is metre (m). It is measured with a metre ruler or measuring tape.
2

2. Volume and Its Measurement

  • The space occupied by an object is called its volume.
  • The S.I. unit of volume is cubic metre (m³).
  • A smaller unit of volume is cubic centimetre (cm³).
3

3. Area of Regular and Irregular Objects

  • Area is the surface occupied by an object.
  • The S.I. unit of area is square metre (m²).
  • Bigger units of area are are, hectare, and square kilometre.
4

4. Density

  • Density helps distinguish between substances.
  • Equal masses of different substances have different volumes.
  • Equal volumes of different substances have different masses.

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Key Concepts

Measurement is the comparison ofLength is the distance between twoThe space occupied by an objectA measuring cylinder is a glassThe liquid level in a measuring

Frequently Asked Questions

What are the important topics in Physical Quantities and Measurement for ICSE Class 7 Physics?
Key topics in Physical Quantities and Measurement include Basic Physical Quantities and Measurement, Volume and Its Measurement, Area of Regular and Irregular Objects, Density. Study these first, then practise questions on each for Class 7 exams.
How should I revise Physical Quantities and Measurement for Class 7 exams?
Learn the core ideas first, then work through the 43 practice questions on Physical Quantities and Measurement. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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