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The Earth and Its Movements — Revision Notes

ICSE · Class 4 · Social Science

The Earth and Its Movements revision notes for ICSE Class 4 Social Science: 4 topics in quick points. Part of the ICSE Class 4 Social Science syllabus.

53 questions25 flashcards2 formulas & key relations4 concepts

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Key Topics to Revise

1

1. Axis of the Earth

  • The Earth rotates on an imaginary line called its axis.
  • The axis runs from the North Pole to the South Pole.
  • The Earth's axis is tilted at an angle of about 23.5 degrees.
2

2. Rotation of the Earth

  • Rotation is the spinning of the Earth on its own axis.
  • The Earth rotates from west to east.
  • One rotation takes about 24 hours (1 day).
3

3. Revolution of the Earth

  • Revolution is the movement of the Earth around the Sun.
  • The Earth's orbit is elliptical (oval-shaped).
  • One revolution takes 365 days and 6 hours (1 year).
4

4. How Seasons Are Caused

  • Seasons are caused by two main factors: the tilt of the Earth's axis and its revolution around the Sun.
  • When a hemisphere tilts towards the Sun, it gets direct sunlight and experiences summer.
  • When it tilts away, it gets slanting sunlight and experiences winter.

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Full Notes

Key Concepts

The Earth rotates around an imaginaryRotation is the spinning ofRevolution is the movement ofDue to the Earth's tilted axis

Frequently Asked Questions

What are the important topics in The Earth and Its Movements for ICSE Class 4 Social Science?
Key topics in The Earth and Its Movements include Axis of the Earth, Rotation of the Earth, Revolution of the Earth, How Seasons Are Caused. Study these first, then practise questions on each for Class 4 exams.
How should I revise The Earth and Its Movements for Class 4 exams?
Learn the core ideas first, then work through the 53 practice questions on The Earth and Its Movements. 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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