Chapter 12: Earth Moon and the Sun Notes…

✓ Free notes Class 7 Science 1 study file

About these notes

Class 7 Science Chapter 12: Earth Moon and the Sun (CBSE and Bihar Board) gives clear chapter notes with labeled diagrams, quick revision points and exam tips to help you prepare for chapter tests and mock tests on Merit Spring ROH. Main sub-topics: rotation and revolution, day and night, seasons (Earth’s tilt), phases of the Moon, solar and lunar eclipses, tides and the role of gravitation (force बल). Suitable for Class 7 students revising for school exams and term tests; use these notes alongside chapter test practice and MCQ drills for better revision and important questions practice.

Key points you will learn

Class 7 Science Chapter 12: Earth Moon and the Sun notes — labelled diagrams and concise revision points
Rotation vs revolution: rotation causes day/night (24 hours), revolution plus tilt causes seasons (365 days)
Phases of the Moon: new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, last quarter, waning crescent
Eclipses: solar eclipse = Moon between Sun and Earth; lunar eclipse = Earth between Sun and Moon (alignment rules)
Tides: caused by gravitational pull of Moon and Sun; spring and neap tide explanation
Difference between apparent motion and actual motion of Sun; understanding time zones and shadow experiments
Quick exam tips: draw clear diagrams, label positions for eclipses and phases, practise MCQ and question answer pairs

What is inside this chapter

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Earth Moon and the Sun - Chapter 12 Notes (Class 7 Science)

Class 7 Science Earth Moon and the Sun - Chapter 12 handwritten-style revision notes for CBSE and Bihar Board students.

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Questions students ask

Where can I find Class 7 Science Chapter 12 notes and important questions?

The Class 7 Science Chapter 12 notes and important questions are available on the Merit Spring ROH chapter page, with labeled diagrams and revision points. Use the site’s chapter test and mock tests to practise after reading the notes.

What is the difference between rotation and revolution?

Rotation is Earth spinning on its axis causing day and night (about 24 hours); revolution is Earth orbiting the Sun causing years and, with axial tilt, seasons (about 365 days).

How do solar and lunar eclipses occur?

A solar eclipse happens when the Moon comes between the Sun and Earth and casts a shadow on Earth; a lunar eclipse happens when Earth comes between the Sun and Moon and its shadow falls on the Moon.

How can I remember the phases of the Moon quickly?

Learn the phase sequence and visual cues: start at New Moon, then waxing (growing) to Full Moon, then waning (shrinking) back to New. Practice drawing positions of Sun, Earth and Moon for each phase.

How should I practise for chapter test and exams on this topic?

First read the notes and label diagrams, then solve MCQ sets and question answer pairs on the chapter page. Time yourself on diagram-based questions and repeat common important questions for revision.

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