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NCERT Class 7 Science Chapter 4 Heat NSONSTSEOlympiad Animated English
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=5f0lS2Ns_Jk
NSO Class 7 - https://www.doorsteptutor.com/Exams/NSO/ • NSTSE Class 7 Preparation - https://www.doorsteptutor.com/Exams/N... • Mayank Bomb explains NCERT Class 7 Science Chapter 4: Heat • What Will we Learn? • 1. Conduction, Convection, and Radiation • 2. Conductors and Insulators • 3. Heat and Temperature • 4. Measuring Temperature • 1. Units • 2. Thermometers • Why do we use copper bottom on SS utensils? • Can we use lab thermometer to measure body temperature? • When you heat the air filled balloon it bursts why? • Heat is a form of energy it has both macroscopic and microscopic implications. • At macroscopic level things with heat energy feel warm and they expand. If you heat a air filled balloon it will burst. • At microscopic level things with heat energy have more active particles. • In solids more vibrations • In liquids and gases molecules move faster. • Similar to children eating lot of candy and jumping around • In presence of teacher (in their seats) • In absence of teacher (out of their seats jumping around) • More candy more movement- they require more space- expansion. • • • • For Olympiad refer - https://www.doorsteptutor.com/Exams/ • For lecture handouts visit - https://www.examrace.com/Study-Material/ • Refer - https://www.doorsteptutor.com/Exams/C... • For NCERT solutions visit - https://www.flexiprep.com/ #NSO #NSTSE #Olympiad #NCERT #VVM #examrace #upsc #ugcnet
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