Earth, Moon, and the Sun
CBSE · Class 7 · Science
Summary of Earth, Moon, and the Sun for CBSE Class 7 Science. Key concepts, important points, and chapter overview.
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Overview
Earth rotates on its axis and revolves around the Sun. Because of these motions, day and night occur, the Sun appears to move across the sky, stars seem to shift position, and seasons change during the year. The Moon also revolves around the Earth, and its position relative to the Sun and Earth caus
Key Concepts
Rotation is the motion of
Rotation is the motion of an object in which all its parts move in circles around an imaginary line called the axis of rotation. Earth rotates on its
As Earth rotates from west
As Earth rotates from west to east, the side facing the Sun has day and the side away from the Sun has night. When a place turns from darkness into li
The Sun appears to rise
The Sun appears to rise in the east and set in the west because Earth rotates. The Moon and stars also appear to move in the same way. The Big Dipper
Revolution is the motion of
Revolution is the motion of an object around another object. Earth revolves around the Sun in a nearly circular orbit and completes one revolution in
Earth’s axis is tilted and keeps
Earth’s axis is tilted and keeps the same tilt as it revolves around the Sun. In June, the Northern Hemisphere is tilted towards the Sun, so it gets m
Learning Objectives
- Understand rotation and revolution as two different motions
- Explain why day and night occur on Earth
- Describe why the Sun, Moon, and stars appear to move across the sky
- Explain how the tilt of Earth’s axis causes seasons
- Distinguish between solar eclipse and lunar eclipse
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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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