Скачать или смотреть Class 7 Science | Chapter 5 Question Answer | Changes Around Us Physical and Chemical | Curiosity

Class 7 Science | Chapter 5 Question Answer | Changes Around Us Physical and Chemical | Curiosity

In this video, we explore "Changes Around Us", a fascinating Class 7 Science chapter that explains physical and chemical changes using real-life examples and fun activities! 🔍

📌 Topics Covered:

What is a Physical Change (भौतिक परिवर्तन)?

What is a Chemical Change (रासायनिक परिवर्तन)?

Real-life examples: melting ice, rusting iron, burning wood, and more!

Activities: blowing air into lime water, mixing vinegar with baking soda, and candle experiments 🧪

Concepts like Combustion (दहन), Ignition Temperature (ज्वलन ताप), and Bioluminescence (जैवप्रकाश) 🌟

Desirable & Undesirable Changes in daily life

Natural changes like weathering (अपक्षय) and erosion (अपवाहन)

🎯 Perfect for: CBSE Class 7 students, parents, and teachers looking for a clear, bilingual explanation of the concepts.

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