-
13:10
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13:23
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11:45
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Heat Effects and Modes of Transfer
11:04
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Acids, Bases and Salts
08:47
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Indicators
07:57
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Physical Changes
06:13
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Chemical Changes
06:35
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Respiration in Organisms
05:55
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Types of Respiration
07:58
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Transportation in Animals
00:00
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Adaptations of Animals to climate
09:54
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Transportation in Plants
06:10
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Motion and Time
09:37
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Magnetic Effect of Current
00:00
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Heating Effect of Electric Current
07:06
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Forest Our Lifeline
12:43
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Water A precious Resource
07:25
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Water Management
08:60
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Weather and Climate
04:15
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Fiber to Fabric Silk
06:46
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Fiber to Fabric Wool
07:06
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Simple Pendulum
08:32