NCERT-CBSE Class 7th Science Videos
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| Class 7th - Science (English) |
| Chapter 1: Nutrition in Plants |
Just click on the topic link to open Chapter 1 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
3- How Nutrients Are Replenished In The Soil?
4- Mode of Nutrition in Plants
5- Mode of Nutrition in Plants (Part 2)
6- How Do Plants Prepare Their Food?
7- Q1 & Q2 : Nutrition in Plants
8- Q3 & Q4 : Nutrition in Plants
11- Q 10, Q11 & Q 12 : Chapter 1
| Chapter 2: Nutrition in Animals |
Just click on the topic link to open Chapter 2 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
4- Feeding and Digestion in Amoeba
5- Digestion in Grass Eating Animals
| Chapter 3: Fiber to Fabric |
Just click on the topic link to open Chapter 3 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
3- Wool Fiber
4- Silk
5- Process of Obtaining Silk from Silkworm
6- Q 1
| Chapter 4: Heat |
Just click on the topic link to open Chapter 4 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
3- Convection
5- Clothes For Winters And Summers
6- Exercise Q1
10- Exercise Q9,Q10
11- Exercise Q11
| Chapter 5: Acids, Bases and Salts |
Just click on the topic link to open Chapter 5 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
3- Neutralization in Everyday Life
7- Exercise Q10
8- Exercise Q11
| Chapter 6: Physical and Chemical Changes |
Just click on the topic link to open Chapter 6 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Inroduction
2- Radiation or Absorption of Heat, Production of Sound
3- Rusting Of Iron & Prevention
4- Examples
8- ExerciseQ8
10- ExerciseQ11
11- ExerciseQ12
| Chapter 7: Weather, Climate and Adaptations of Animals of Climate |
Just click on the topic link to open Chapter 7 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
2- How Do Changes in Weather Occur
4- Polar Region
5- CLIMATE
7- Why Days Are Shorter in Winter Seasons
10- Exercise Q5, Q6
11- Exercise Q7, Q8
12- Exercise Q9
14- Exercise Q12
| Chapter 8: Winds, Storms and Cyclones |
Just click on the topic link to open Chapter 8 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
2- Cyclones
4- Wind
5- How Wind Currents Are Generated?
6- Air Exerts Pressure
7- Thunderstorm & Cyclone
9- Destruction Caused by Cyclone
10- Safety Measures of Cyclone
11- Cyclone Hit Area
12- Predicting & Protecting from Cyclone
13- Protect Themselves from Cyclones
14- Tornado
15- Exercise Q1
16- Exercise Q2
17- Exercise Q3
18- Exercise Q4
19- Exercise Q5
20- Exercise Q6
21- Exercise Q7
22- Exercise Q8
| Chapter 9: Soil |
Just click on the topic link to open Chapter 9 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
3- Soil Profile
7- Type Of Soil
9- Soil Erosion
10- Exercise Q1,Q2
11- Exercise Q3
12- Exercise Q4
13- Exercise Q5
14- Exercise Q6
15- Exercise Q8
16- Exercise Q9
17- Exercise Q10
| Chapter 10: Respiration in Organisms |
Just click on the topic link to open Chapter 10 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
2- Breathing
3- Mechanism of Breathing in Humans
5- Breathing in Other Organisms
6- Breathing in Other Organisms-2
9- Anaerobic Respiration in Human Beings
10- Aerobic and Anaerobic Respiration
12- Why Plants Can Die If Overwatered?
13- What is Cellular Respiration?
14- Why We Feel Hungry After A Physical Activity?
15- Exercise Q1
16- Exercise Q2
17- Exercise Q4
18- Exercise Q5
19- Exercise Q6
20- Exercise Q7
21- Exercise Q8
22- Exercise Q9
| Chapter 11: Transportation in Animals and Plants |
Just click on the topic link to open Chapter 11 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Full Chapter
2- Exercise Q2
4- Exercise Q4
6- Exercise Q7
7- Exercise Q8
8- Exercise Q11
9- Exercise Q12
| Chapter 12: Reproduction in Plants |
Just click on the topic link to open Chapter 12 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Full Chapter
2- Exercise Q1
3- Exercise Q2
4- Exercise Q3
5- Exercise Q4
6- Exercise Q8
| Chapter 13: Motion and Time |
Just click on the topic link to open Chapter 13 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
5- Periodic Motion of A Simple Pendulum
6- Units to Measure Time & Speed
7- Formulas
10- Exercise Q1
11- Exercise Q2
12- Exercise Q3
13- Exercise Q4
14- Exercise Q5
15- Exercise Q6
16- Exercise Q7
17- Exercise Q8, Q9
18- Exercise Q10
19- Exercise Q11
| Chapter 14 :Electric Current and its Effects |
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Full Chapter :
1- Electric current and its effects
2- Electric circuits, Cell, Battery
4- Magnetic Effects of Current
5- Questions
| Chapter 15: Light |
Just click on the topic link to open Chapter 15 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
2- Applications of Concave & Convex Mirror
3- Image Formed by Concave & Convex Mirror
6- Exercise Q1
7- Exercise Q2
8- Exercise Q3
11- Exercise Q7, Q8
| Chapter 16: Water: A Precious Resource |
Just click on the topic link to open Chapter 16 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
4- Water Cycle
8- Sources of Groundwater: Aquifers
10- Drip Irrigation Techniques: Rain water Harvesting
11- Questions
12- Questions
| Chapter 17: Forests: Our Lifeline |
Just click on the topic link to open Chapter 16 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Introduction
5- Food Chain
6- Decomposers
7- Forests maintain water table
9- Questions
10- Questions
| Chapter 18: Wastewater Story |
Just click on the topic link to open Chapter 16 video in popup window. To close video window click on close button given at right side bottom or any where outside video window.
Full Chapter :
1- Inroduction
2- Sewage
4- Preliminary treatment of Sewage
5- Primary treatment of Sewage
6- Secondary treatment of Sewage
7- Tertiary treatment of Sewage
8- Sewage harming aquatic life
9- Disease caused by Pathogens
10- Sewage disposals, Questions
11- Questions