Science 7

Science
Course content
Note:
L - Lesson   A - Activity
1.1: Nutrition  

00:49

2.1: Types of nutrition  

01:20

3.1: Mode of nutrition in plant  

01:42

4.1: Parasitic nutrition  

01:14

5.1: Saprotrophic nutrition  

00:43

6.1: Replacement of nutrients in soil  

02:06

1.1: Activity to Test The Action of Saliva  

01:00

2.1: Different Modes of Feeding in Animals  

00:35

3.1: Digestion in Humans  

02:53

4.1: Digestion in Other Animals  

01:00

5.1: Digestion  

00:54

6.1: Feeding and Digestion in Amoeba  

00:48

7.1: Human Digestives System  

00:18

8.1: Absorption in the Small Intenstine  

01:17

9.1: Large Intestine  

00:37

10.1: Teeth  

00:51

1.1: Animal Fibers  

00:56

2.1: Life Cycle of a Silk Moth  

01:29

3.1: Processes Involved in Obtaining Silk from Silk Moths  

01:17

4.1: Processes Involved in Rearing and Breeding of Sheep  

01:46

1.1: Transfer of Heat  

01:37

2.1: Temperature and Its Measurement  

01:16

3.1: Season_Clothes  

01:47

4.1: Land and Sea Breeze  

01:05

5.1: Radiation  

00:41

6.1: Laboratory Thermometer  

01:04

7.1: How Do We Read A Thermometer  

00:45

8.1: Convection  

01:38

9.1: Hot and Cold  

01:48

10.1: Conductor and Insulators  

00:47

1.1: Acids_Bases  

01:19

2.1: Ant Sting  

00:36

3.1: Indigestion  

00:50

4.1: Factory Wastes  

00:18

5.1: Indicators  

00:46

6.1: Laboratory Indicator  

01:05

7.1: Natural indicator - Litmus  

01:05

8.1: Neutralization Reactions  

01:20

9.1: Soil Treatment  

00:34

10.1: Tooth Decay  

00:45

11.1: Turmeric Indicator  

01:13

1.1: Physical changes  

00:56

2.1: Examples of physical changes  

00:22

3.1: Glowing of an electric bulb  

00:16

4.1: Chemical_changes  

01:13

5.1: Production of gas  

00:38

6.1: Examples of chemical changes  

00:23

7.1: Action of acids on sugars  

00:20

8.1: Action of sodium on cold water  

00:23

9.1: Difference between the physical and chemical changes  

00:14

10.1: Crystallization  

00:44

11.1: Rusting  

01:33

12.1: Prevention of rusting  

00:30

1.1: Animals Adaptations in Tropical RF  

01:08

2.1: Adaptations to Cold Climates  

01:58

3.1: Climate  

01:22

4.1: Weather-1  

01:18

1.1: Winds  

01:00

2.1: Uneven Heating Between the Equator and the Poles  

00:39

3.1: Uneven Heating of Land and Water  

01:58

4.1: Monsoon Rain  

00:23

5.1: Air Expands on Heating - I  

00:49

5.2: Air Expands on Heating - II  

01:23

5.3: Air Expands on Heating - III  

00:48

6.1: Air Pressure - I  

01:17

6.2: Air Pressure - II  

01:07

7.1: Applications of Air Pressure  

00:18

8.1: High Speed Winds are Accompained by RAP - I  

01:04

8.2: High Speed Winds are Accompained by RAP - II  

01:00

9.1: Thunderstorms and Cyclones  

03:45

1.1: Absorption of Water by Soil  

01:25

2.1: Soil Formation  

00:20

3.1: Moisture in Soil  

00:54

4.1: Percolation Rate of Water in Soil  

00:57

5.1: Soil and Crops  

00:48

6.1: Soil Erosion and Pollution  

00:43

7.1: Soil Profile - I  

01:26

7.2: Soil Profile - II  

01:00

8.1: Absorption of Water by Different Soil Types  

01:00

9.1: Soil Types  

00:53

10.1: To Determine the Amount of Water Present in Soil Sample  

00:57

11.1: To Study Relative Proportion of Solid Particle in Soil Sample  

01:12

1.1: Anaerobic Respiration in Yeast  

00:54

2.1: Anaerobic Respiration in Humans  

01:00

3.1: Breathing in Cockroach  

00:58

4.1: Breathing in Earthworm  

00:43

5.1: Breathing under Water  

00:33

6.1: Breathing  

00:34

7.1: How Do Plants Respire  

01:07

8.1: Effects of Smoking on Lungs  

00:43

9.1: How do we Breathe  

01:41

10.1: Mechanism Of Breathing  

01:06

11.1: Respiration in Organisms  

01:09

12.1: Respiration  

00:21

13.1: What do we Breathe out  

00:32

14.1: Why do we Sneeze  

00:20

1.1: Artificial Kidney - Dialysis  

00:25

2.1: Blood Vessels  

00:36

3.1: Components of Blood  

00:22

4.1: Excretion in Humans  

01:11

5.1: Functions of Blood  

00:29

6.1: Heart  

01:27

7.1: Heartbeat  

00:34

8.1: Platelets  

00:30

9.1: Pulse Rate  

00:29

10.1: Red Blood Cells  

00:29

11.1: How Roots Absorb Water From The Soil  

00:48

12.1: Transport of Substances in Plants  

01:18

13.1: Transportation in Humans  

00:42

14.1: Transpiration  

01:14

15.1: White blood cells  

00:23

1.1: Asexual Reproduction  

01:18

2.1: Budding  

00:49

3.1: Fertilization  

01:14

4.1: Fragmentation  

00:31

5.1: Fruits and Seed Formation  

00:19

6.1: Pollination  

00:53

7.1: Reproduction  

00:41

8.1: Seed Dispersal  

01:56

9.1: Sexual Reproduction  

01:25

10.1: Spore Formation  

00:29

11.1: Vegetative and Reproductive Parts of Plants  

00:31

1.1: Distance-Time Graph  

02:19

2.1: Measurement of Speed  

01:14

3.1: Measurement of Time  

02:24

4.1: Pendulum  

01:26

5.1: Speed  

01:03

6.1: Time and Speed  

01:35

7.1: Uniform and Non-uniform Speed  

00:32

1.1: Electric Bell  

01:06

2.1: Electric Components  

01:06

3.1: Electromagnet  

01:29

4.1: Heating Effect of Electric Current  

02:32

5.1: The Magnetic Effect of Electric Current  

01:28

6.1: Working of Electric Fuse  

00:41

1.1: Light  

01:18

2.1: Dispersion of Light  

00:41

3.1: Reflection of Light  

01:36

4.1: Sunlight  

01:21

5.1: Applications of Spherical Mirrors  

00:34

6.1: Plane Mirror  

02:06

7.1: Images formed by lens  

01:50

8.1: Sperical Mirror - I  

01:01

8.2: Sperical Mirror - II  

00:55

1.1: Decrease in the Effective Area of Seepage of Water  

00:25

2.1: Deforestation  

00:12

3.1: Depletion of a Level of Water Table  

00:32

4.1: Distribution of Water  

00:20

5.1: Drip Irrigation  

00:16

6.1: Effect of Water Scarcity on Plants  

01:04

7.1: Forms of Water  

00:58

8.1: Ground Water  

01:17

9.1: Increase in Population Causes Depletion of Water  

00:27

10.1: Demand of Water in Industrial and Agricultural Activities  

00:33

11.1: Rainwater Harvesting  

01:01

12.1: Scanty Rainfall  

00:15

13.1: Water Management  

00:58

14.1: Water-1  

01:32

1.1: Decomposers  

00:40

2.1: Food Chain  

00:55

3.1: Forests The Green Lungs  

00:33

4.1: Importance of Forests  

00:34

5.1: Introduction to Forests  

01:59

6.1: Uses of Forests  

01:05

7.1: What if Forest Disappears  

01:20

1.1: Alternative Arrangement for Sewage Disposal - Septic Tank  

01:46

2.1: Wastewater Story  

00:58

3.1: Reducing Waste Generation  

01:12

4.1: Sanitation and Disease  

00:30

5.1: Sanitation at Public Places  

00:34

6.1: Vermin Processing Toilet  

00:17

7.1: Waste Water Treatement Plant  

03:26

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