Our Sky
CBSE · Class 4 · EVS
Summary of Our Sky for CBSE Class 4 EVS. Key concepts, important points, and chapter overview.
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Overview
This chapter explores the fascinating world above us - our sky! We learn about how the sky changes throughout the day and night, discover the secrets of shadows, and understand the movements of the Sun and Moon. The sky is like a big natural clock and calendar that has helped people for thousands of
Key Concepts
The sky looks different at various
The sky looks different at various times - orange and bright in morning, blue and sunny in afternoon, and dark with stars at night. The Sun's color an
The Sun appears to rise
The Sun appears to rise in the east in the morning, moves overhead at noon, and sets in the west in the evening. This apparent movement is actually ca
Shadows are formed when an object
Shadows are formed when an object blocks light from a source. The size and direction of shadows change based on the position of the light source. Morn
After sunset
After sunset, we can see thousands of twinkling stars that form various patterns in the sky. These patterns have been observed by people for centuries
The Moon appears to change shape
The Moon appears to change shape over about 30 days - from new moon (not visible) to crescent, half moon, full moon, and back. These shapes are called
Learning Objectives
- Observe and describe changes in the sky during morning, afternoon, and night
- Understand how the Sun appears to move across the sky and affects our daily life
- Learn about shadows - how they form, change size and direction throughout the day
- Explore the night sky and observe patterns of stars and Moon shapes
- Connect sky observations to festivals, time-keeping, and ancient Indian knowledge
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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