Shaping of the Earth's Surface — Flashcards
CBSE · Class 9 · Social Science
68 flashcards for Shaping of the Earth's Surface (CBSE Class 9 Social Science) to test yourself on key terms and facts. Sample: "What is plate tectonics?"
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What is plate tectonics?
Answer
Plate tectonics is an important theory given by W.J. Morgan in earth science. It explains the movement of the Earth's crust and shows that the outermost layer of the Earth is broken into tectonic plat…
प्लेट विवर्तनिकी क्या है?
Answer
प्लेट विवर्तनिकी (Plate tectonics) W.J. मॉर्गन द्वारा भूविज्ञान में दिया गया एक महत्वपूर्ण सिद्धांत है। यह पृथ्वी के भूपर्पटी की गति को समझाता है और दिखाता है कि पृथ्वी की सबसे बाहरी परत विवर्तनिक प्ल…
टेक्टोनिक प्लेट क्या होती हैं?
Answer
विवर्तनिक प्लेट (Tectonic plates) ठोस चट्टान के बड़े बड़े स्लैब होते हैं जो स्थलमण्डल (लिथोस्फीयर) का निर्माण करते हैं। ये बहुत धीरे-धीरे चलते हैं, आमतौर पर प्रति वर्ष कुछ सेंटीमीटर। ये महाद्वीपीय प्ल…
What are tectonic plates?
Answer
Tectonic plates are massive slabs of solid rock that make up the lithosphere. They move very slowly, usually a few centimetres per year. They can be continental plates, oceanic plates, or mixed plates…
What is the lithosphere?
Answer
The lithosphere is the crust and the upper part of the mantle together. It is broken into different tectonic plates that move over the semi-molten asthenosphere below.
शिलामण्डल क्या है?
Answer
शिलामण्डल भूपर्पटी और आवरण का ऊपरी भाग मिलकर शिलामण्डल कहलाता है। यह विभिन्न विवर्तनिक पट्टियों में विभाजित है जो नीचे अर्ध-पिघले हुए एस्थेनोस्फीयर के ऊपर चलती हैं।…
टेक्टोनिक प्लेटें कैसे चलती हैं?
Answer
मेंटल में संवहन धाराओं के कारण टेक्टोनिक प्लेटें चलती हैं। पृथ्वी के कोर से निकलने वाली गर्मी सामग्री को ऊपर उठाती है, जबकि ठंडी सामग्री नीचे डूब जाती है। यह गति प्लेटों को धकेलती और खींचती है।…
How do tectonic plates move?
Answer
Tectonic plates move because of convection currents in the mantle. Heat from the Earth's core makes material rise, while cooler material sinks. This movement pushes and pulls the plates.
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- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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