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Revision Notes

Our Sky

CBSE · Class 4 · EVS

Quick revision notes for Our Sky — CBSE Class 4 EVS. Key concepts, formulas, and definitions for last-minute revision.

43 questions60 flashcards5 concepts

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Key Topics to Revise

1

The Sky Changes Through the Day

  • The sky looks different in the morning, afternoon, and at night.
  • The colour of the sky can change during the day.
  • The Sun is the brightest object in the sky.
2

Shadows and the Sun

  • A shadow is formed when an object blocks light.
  • If the object is close to the source of light, the shadow is bigger.
  • If the direction of the source of light changes, the direction of the shadow also changes.
3

Jantar Mantar and Samrat Yantra

  • Ancient people used shadows to tell time.
  • Raja Jai Singh of Jaipur built Jantar Mantar in Jaipur, Ujjain, Delhi, Varanasi and Mathura.
  • Jantar Mantar has a sundial called Samrat Yantra.
4

The Night Sky and the Moon

  • After sunset, the sky is full of twinkling stars.
  • Students’ observed star patterns may not match commonly identified patterns like Saptarshi.
  • The Moon appears to be the biggest object in the night sky.

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Full Notes

Key Concepts

The Sun is the brightest objectA shadow is made whenThe Sun appears to move fromAncient people used shadows to tellRaja Jai Singh of Jaipur built

Frequently Asked Questions

What are the important topics in Our Sky for CBSE Class 4 EVS?
Our Sky covers several key topics that are frequently asked in CBSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Our Sky — CBSE Class 4 EVS?
Understand the core concepts first, then work through the 43 practice questions available for this chapter. Revise formulas and 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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