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CLASS 7 SCIENCE CHAPTER 4 | HEAT | NCERT
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Heat class 7 science chapter 4 explained by NCERT Guruji.
In this chapter, we have started with hot and cold bodies and do we feel temperature and with this context, we have discussed clinical thermometer and then about laboratory thermometer. In this chapter, we have also learned how to use a thermometer to measure our body temperature and also about the precautions to be taken when using a thermometer and then we discussed the different modes of transfer of heat that is conduction convection and radiation. Also, we have discussed land breeze and sea breeze and how woollen clothes keep us warm in winter.
Topics -
00:00 | Introduction
00:40 | Chapter start
02:33 | Hot and cold
04:26 | Activity 4.1
07:48 | Thermometer
08:20 | Measuring Temperature
08:39 | Clinical Thermometer
11:44 | Reading a thermometer
13:10 | Precautions to be observed while using a thermometer
15:40 | Normal temperature of human body
16:20 | Activity 4.3
18:57 | Laboratory thermometer
19:29 | Maximum – minimum thermometer
21:01 | Activity 4.4
22:35 | Activity 4.5
25:59 | Transfer of heat
27:46 | Activity 4.6
29:14 | Conduction
30:42 | Activity 4.7
31:45 | Conductors of heat
32:01 | Insulators or poor conductors of heat
32:56 | Convection Activity 4.8
36:22 | Activity 4.9
37:52 | Sea breeze
39:02 | Land breeze
41:01 | Radiation
43:37 | Differences between conduction convection and radiation
46:35 | Kinds of clothes we wear in summer and winter
47:04 | Activity 4.10
48:11 | Activity 4.11
49:58 | Woollen clothes keeps us warm in winter
51:33 | Wrapping up
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In this chapter, we have started with hot and cold bodies and do we feel temperature and with this context, we have discussed clinical thermometer and then about laboratory thermometer. In this chapter, we have also learned how to use a thermometer to measure our body temperature and also about the precautions to be taken when using a thermometer and then we discussed the different modes of transfer of heat that is conduction convection and radiation. Also, we have discussed land breeze and sea breeze and how woollen clothes keep us warm in winter.
Topics -
00:00 | Introduction
00:40 | Chapter start
02:33 | Hot and cold
04:26 | Activity 4.1
07:48 | Thermometer
08:20 | Measuring Temperature
08:39 | Clinical Thermometer
11:44 | Reading a thermometer
13:10 | Precautions to be observed while using a thermometer
15:40 | Normal temperature of human body
16:20 | Activity 4.3
18:57 | Laboratory thermometer
19:29 | Maximum – minimum thermometer
21:01 | Activity 4.4
22:35 | Activity 4.5
25:59 | Transfer of heat
27:46 | Activity 4.6
29:14 | Conduction
30:42 | Activity 4.7
31:45 | Conductors of heat
32:01 | Insulators or poor conductors of heat
32:56 | Convection Activity 4.8
36:22 | Activity 4.9
37:52 | Sea breeze
39:02 | Land breeze
41:01 | Radiation
43:37 | Differences between conduction convection and radiation
46:35 | Kinds of clothes we wear in summer and winter
47:04 | Activity 4.10
48:11 | Activity 4.11
49:58 | Woollen clothes keeps us warm in winter
51:33 | Wrapping up
Watch all chapters of this book in this playlist -
For business Enquiries -
#ncertguruji
Join this channel to get access to perks:
Guruji Recommendation Section -
Lunch Boxes -
Shoes -
School Bags -
Notebooks -
Pens -
Geometry boxes -
Drawing -
Tools used by me -
Phone -
Laptop -
Keyboard -
Mouse -
Headphones -
Mic -
Ipad -
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