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General Science | Class 7
Balochistan
Class 7
General Science (
Total Videos: 228
)
Preference
All Chapters
Chapter 1: Human Organ Systems
Chapter 2: Transport in Humans And Plants
Chapter 3: Reproduction in Plants
Chapter 4: Environment and Feeding Relationship
Chapter 5: Water
Chapter 6: Structure of an Atom
Chapter 7: Physical and Chemical Changes And Processes
Chapter 8: Transmission of Heat
Chapter 9: Dispersion of Light
Chapter 10: Sound Waves
Chapter 11: Circuits And Electric Current
Chapter 12: Investigating Space
Show Content
Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 1 Human Organ Systems (
21 videos
)
  (
Practice Test
)
1.1: Human Digestive System (
Practice Test
)
Food And Nutrition
672 views
Digestive System
2514 views
Digestion in Stomach
430 views
Small And Large Intestine
440 views
Digestive Glands
796 views
Diarrhoea
255 views
Constipation
245 views
1.2: Respiratory System (
Practice Test
)
Respiration
543 views
Parts of Respiratory System
5520 views
Exchange of Carbon Dioxide And Oxygen
337 views
How Does Respiration Takes Place In Man?
56 views
Mechanism of Breathing
8682 views
Comparison of Respiration and Burning
212 views
Cellular Respiration, Gaseous Exchange and Breathing
27417 views
Respiration
5542 views
Respiratory System
2357 views
Comparison of Aerobic and Anaerobic Respiration
1915 views
Importance of Respiration
1082 views
Common Cold
73 views
Pneumonia
146 views
Tuberculosis
127 views
Chapter 2 Transport in Humans And Plants (
23 videos
)
  (
Practice Test
)
2.1: Transport in Humans (
Practice Test
)
Introduction To Transport In Humans And Plants
392 views
Human Heart
400 views
Blood Circulatory System
3059 views
Working of Circulatory System
287 views
Blood Vessels
627 views
Comparison of Arteries, Capillaries and Veins
3363 views
Composition of Blood
179 views
2.2: Disorders of Circulatory System (
Practice Test
)
Heart Attack
275 views
Symptoms and Prevention of Heart Attack
68 views
High Blood Pressure or Hypertension
126 views
2.3: Transplantation of Tissues or Organs
Transplantation of Tissues And Organs
66 views
2.4: Transportation in Plants (
Practice Test
)
Transport In Plants
155 views
Absorption of Water Through Roots
1338 views
Transpiration
97 views
Systems of A Plant
864 views
Preparation of Food by Plants or Photosynthesis
88 views
Structure of Leaf and Photosynthesis
4655 views
Factors Affecting the Rate of Transpiration
5640 views
2.5: Translocation
Translocation
109 views
2.6: Structure of Root, Stem and Leaf (
Practice Test
)
Structure of Root
1137 views
Structure of Stem
897 views
Structure of Leaf
4499 views
Comparison of Photosynthesis and Respiration
637 views
Chapter 3 Reproduction in Plants (
15 videos
)
  (
Practice Test
)
3.1: Pollination (
Practice Test
)
Parts of a Flower
1132 views
Reproduction
1299 views
Pollination
324 views
Pollination By Water And Wind
1004 views
Pollination By Animals
558 views
3.2: Kinds of Reproduction (
Practice Test
)
Vegetative Propagation In Plants
230 views
Cutting and Layering in Plants
245 views
Runners and Tubers
282 views
Budding and Grafting in Plants
145 views
Underground Stem
759 views
Sexual Reproduction
518 views
Sexual Reproduction in Plants
306 views
3.3: Fertilization in Plants
Sexual Reproduction In Plants (Germination of Pollen Grains and Ferti
4349 views
3.4: Formation of Seed and Fruit (
Practice Test
)
Formation of Seed And Fruit
2487 views
Structure of Seed
3185 views
Chapter 4 Environment and Feeding Relationship (
20 videos
)
  (
Practice Test
)
4.1: Ecosystem (
Practice Test
)
Environment
2217 views
Ecosystem
1792 views
Biotic components of an Environment
2541 views
Abiotic components of an Environment
1496 views
Impact of Combustion Reaction on Environment
4.2: Habitat (
Practice Test
)
The Grassland Habitat
337 views
Forest Habitat
343 views
Desert Habitat
223 views
Tundra Habitat
116 views
Fresh Water Habitat
811 views
Saltwater Habitat
26 views
Adaptations of Plants To Live In A Habitat
170 views
Adaptations of Animals To Live In A Habitat
165 views
Adaptations of Animals To Live In A Habitat (Continued)
50 views
Aquatic Habitat Adaptations
1121 views
Factors Causing Changes In A Habitat
70 views
Factors Causing Changes In A Habitat (Continued)
26 views
4.3: Biotic components and Their Relation With Food Chains And Food Webs (
Practice Test
)
Biotic components of an Environment
2541 views
Food Chain
1060 views
Food Web
359 views
Chapter 5 Water (
10 videos
)
  (
Practice Test
)
5.1: Water and Life
Introduction to Water
4889 views
5.2: Sources of Water
Sources of Water
678 views
Underground Water
242 views
5.3: Impurities of Water
Impurities in Water
711 views
5.4: Cleaning of Water (
Practice Test
)
Filtration
32 views
Purifying Water By Boiling
50 views
Purification of Water By Chlorination And Addition of Potash Alum
100 views
Distillation
424 views
5.5: Uses of Water
Uses of Water
172 views
Conservation of Water
265 views
Chapter 6 Structure of an Atom (
24 videos
)
  (
Practice Test
)
6.1: Structure of an Atom (
Practice Test
)
Atom
25566 views
Structure of An Atom
302 views
6.2: Atomic Number and Mass Number (
Practice Test
)
Atomic Number
205 views
Mass Number
152 views
Atomic Number and Mass Number
7401 views
6.3: Distribution of Electrons in Shells or orbits (
Practice Test
)
Using 2n²
116 views
Distribution of Electrons in Shell
660 views
More on Distribution of Electrons in Shell
133 views
6.4: Valency And Ions (
Practice Test
)
Valency
277 views
More on Valency
103 views
Ions
158 views
Cations And Anions
293 views
Ionic Bond
12605 views
Covalent Bond
9028 views
6.5: Isotopes And Their Uses (
Practice Test
)
Isotopes
11479 views
Uses of Isotopes
10948 views
6.6: Chemical Formula (
Practice Test
)
Molecules
186 views
Chemical Formula
109 views
Making Chemical Formula of Ionic Compounds
127 views
Why do Atoms Form Chemical Bonds?
14190 views
Classify Bonds as Ionic or Covalent
1966 views
Types of Compound
3108 views
6.7: Law of Constant Composition (
Practice Test
)
Law of Definite(Fixed) Proportion
8995 views
Chemical Bond
10646 views
Chapter 7 Physical and Chemical Changes And Processes (
12 videos
)
  (
Practice Test
)
7.1: Physical and Chemical Changes (
Practice Test
)
Physical Changes And Processes
219 views
Chemical Changes and Processes
161 views
Combustion Reaction
1831 views
Impact of Combustion Reaction on Environment
Prevention of Corrosion
5034 views
7.2: Applications of Chemical Changes (
Practice Test
)
Applications of Chemical Changes And Processes
97 views
Hydrocarbons
148 views
Changing of Vegetable Oil Into Ghee
3094 views
Physical and Chemical Properties of Fertilizers
284 views
Environmental Hazards Related to Fertilizers Use
2189 views
Plastic And Its Manufacturing
159 views
7.3: Reversible And Irreversible Changes
Reversible And Irreversible Changes
357 views
Chapter 8 Transmission of Heat (
19 videos
)
  (
Practice Test
)
8.1: Transmission of heat (
Practice Test
)
Heat
420 views
Define The Terms Heat and Temperature on The Basis of Kinetic Molecul
Temperature Scales
32 views
Converting Temperature Scales
26 views
8.2: Conduction (
Practice Test
)
Heat
420 views
Conduction of Heat
292 views
Good And Bad Conductors of Heat
2057 views
Everyday Application of Conduction of Heat
1577 views
Practical Methods of Thermal Insulation Used for Constructing Buildin
8.3: Convection
Transfers of Heat In Liquids
223 views
Effects And Application of Convection
405 views
8.4: Radiation (
Practice Test
)
Radiation
543 views
Good And Bad Radiators And Absorbers of Heat
352 views
Applications of Radiations In Our Daily Life
209 views
8.5: Vacuum Flask (
Practice Test
)
Vacuum Flask
514 views
Exothermic and Endothermic Changes
440 views
Expansions of Solids
39 views
Expansion of Gases
534 views
Expansion of Liquids
1003 views
Chapter 9 Dispersion of Light (
20 videos
)
  (
Practice Test
)
9.1: Refraction of Light (
Practice Test
)
Light
710 views
Refraction of Light
564 views
9.2: Laws of Refraction (
Practice Test
)
Laws of Refraction
176 views
Refractive Index
754 views
9.3: Real and Apparent Depth
Real And Apparent Depth
803 views
9.4: Critical Angle
Critical Angle
1166 views
9.5: Total Internal Reflection (
Practice Test
)
Total Internal Reflection
244 views
Applications of Total Internal Reflection
1601 views
Periscope
558 views
Mirage
215 views
Fish Eye View
987 views
9.6: Dispersion of Light (
Practice Test
)
Dispersion of Light
568 views
Rainbow Formation
306 views
9.7: Colours of Light
Colours of Light
316 views
9.8: Colours of Objects (
Practice Test
)
Colours of Objects
386 views
Types of Mirrors
829 views
Image Formation In Concave Mirrors
190 views
Image Formation In Convex Mirrors
522 views
Usage of Concave Mirror
853 views
Usage of Convex Mirror
1509 views
Chapter 10 Sound Waves (
17 videos
)
  (
Practice Test
)
10.1: Waves and their Types (
Practice Test
)
Sound
1461 views
Speed of Sound in Different Materials
840 views
Transverse Waves
1579 views
Longitudinal Waves
972 views
10.2: Wavelength, Amplitude, Frequency and Speed (
Practice Test
)
Amplitude And Wavelength of Sound Waves
1114 views
Time Period And Frequency of Sound Waves
701 views
Velocity Or Speed of Sound Waves
487 views
Relationship Between Speed, Wavelength And Frequency of Sound Waves
427 views
Basic Physical Quantities and Their SI Units
10.3: Pitch and Loudness (
Practice Test
)
Pitch of Sound
6376 views
Pitch of Sound
4356 views
Loudness of Sound
989 views
10.4: Audible Frequency Range (
Practice Test
)
Audible Frequency Range
227 views
Sounds Produced By Different Musical Instruments
262 views
10.5: Application of Different Sounds (
Practice Test
)
Applications of Different Sounds
97 views
Mechanical and Electromagnetic Waves
4682 views
Transverse and Longitudinal Waves
9093 views
Chapter 11 Circuits And Electric Current (
30 videos
)
  (
Practice Test
)
11.1: Flow of Electric Current (
Practice Test
)
Electricity and Its Kinds
134 views
Flow of Current
189 views
Circuit Diagrams
61 views
11.2: Types of Electric Circuits (
Practice Test
)
Circuit Diagrams
61 views
Advantages of A Parallel Circuit Over A Series Circuit
318 views
11.3: The Circuits Used For Different Purposes
Different Purposes of Electrical Circuits
20 views
11.4: Energy Transfer In an Electrical Circuit
Energy Transfer In An Electrical Circuit
1511 views
11.5: Effects of Electric Current (
Practice Test
)
Heating Effect of Current
58 views
Chemical Effect of Current
1269 views
Magnetic Effect of Current
265 views
Uses of Magnets And Electromagnets
85 views
Magnets and Magnetic Materials
131 views
Magnetic Field
143 views
Advantages of Electromagnets
168 views
Electromagnet
Electromagnetic Devices (Electric Bell)
Electromagnetic Devices ( Electric Motor)
11.6: Measuring Current, Voltage And Resistance (
Practice Test
)
Measuring Current
77 views
Electric Current
112 views
Potential Difference
306 views
Measuring Resistance
97 views
Relationship Between Voltage And Resistance (Ohm's Law)
166 views
11.7: Electrical Hazards and Safety
Why is Electricity Dangerous?
47 views
11.8: Safety Devices (
Practice Test
)
Safety Devices To Avoid Electrical Hazards
80 views
More on Safety Devices To Avoid Electrical Hazards
60 views
Functions of Bicycle
74 views
Speed and its Measurement
Force
47 views
Types of Force
463 views
Action And Reaction And Their Examples
190 views
Chapter 12 Investigating Space (
17 videos
)
  (
Practice Test
)
12.1: What Is Beyond Our Solar System (
Practice Test
)
What Is Beyond Our Solar System?
279 views
The Origin of The Universe
149 views
12.2: Stars, Stars Distances, Galaxies and Milky Way (
Practice Test
)
Stars
128 views
Galaxies
311 views
Milky Way Galaxy
201 views
12.3: Constellations (
Practice Test
)
Constellations
136 views
12.4: Looking At Stars
Looking At Stars
27 views
12.5: Precautions to Observe Sun
Safety Tips For Observing The Sun
63 views
12.6: The Life of Stars (
Practice Test
)
Birth Of A Star
102 views
Death Of A Star
77 views
Black Holes
147 views
Importance of Gravitational Force
The Moon and the Tides
Earth's Rotation and Revolution
Seasons in Northern and Southern Hemispheres
Seasons in Northern and Southern Hemispheres (continued)
What Are Constellations?
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