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Revision Notes

Earth, Moon, and the Sun

CBSE · Class 7 · Science

Quick revision notes for Earth, Moon, and the Sun — CBSE Class 7 Science. Key concepts, formulas, and definitions for last-minute revision.

44 questions72 flashcards5 concepts

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Key Topics to Revise

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1. Rotation of the Earth

  • The Earth spins on its own axis.
  • The Earth's axis passes through the geographic North Pole and South Pole.
  • Viewed from above the North Pole, the Earth rotates anti-clockwise, which means West to East.
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2. Revolution of the Earth and Orbit

  • Revolution means the motion of an object around another object.
  • The path taken during revolution is called an orbit.
  • Earth revolves around the Sun in about 365 days and 6 hours.
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3. Seasons on the Earth

  • The Earth's axis is tilted, not upright, with respect to its orbit.
  • The tilt of the Earth's axis and the spherical shape of the Earth give rise to seasons.
  • In June, the Northern Hemisphere is tilted towards the Sun and the Southern Hemisphere is tilted away.
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4. Eclipses

  • A solar eclipse happens when the Moon comes between the Sun and the Earth and blocks sunlight from reaching Earth.
  • Mercury and Venus can pass between Earth and the Sun, but they are too small in apparent size to block the Sun completely.
  • The Moon can cover the Sun because the apparent sizes of the Moon and the Sun in the sky are similar as seen from Earth.

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Full Notes

Key Concepts

Rotation is the motion ofAs Earth rotates from westThe Sun appears to riseRevolution is the motion ofEarth’s axis is tilted and keeps

Frequently Asked Questions

What are the important topics in Earth, Moon, and the Sun for CBSE Class 7 Science?
Earth, Moon, and the Sun covers several key topics that are frequently asked in CBSE Class 7 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Earth, Moon, and the Sun — CBSE Class 7 Science?
Understand the core concepts first, then work through the 44 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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