Class 9 > SCIENCE
1.1. Physical Quantity And Their Units
1.2. Length, Mass And Time And Conversion Of Units
2.1. Newton's First And Second Law Of Motion
2.2. Newton's Third Law Of Motion And Numericals
4.1. Machine Advantage And Velocity Ratio
4.2. Efficiency And Friction In A Machine And Lever
4.3. Pulley, Inclined Plane, Wheel And Axle
4.4. Moment And Numericals
5.1. Work, Energy And Its Types
5.2. Power And Transformation Of Energy
5.3. Numericals On Work Energy And Power
6.1. Refraction Of Light And Its Laws
6.2. Effects Of Refraction Of Light And Total Internal Reflection
6.3. Dispersion Of Light, Electromagnetic Waves And Its Properties
7.1. Sources And Nature
7.2. Wave Velocity, Medium And Spectra
7.3. Reflection And Refraction
7.4. Intensity And Pitch
7.5. Numericals
8.1. Ohm's Law
8.2. Resistance
8.3. Terrestrial Magnetism
8.4. Magnetic Field
8.5. Numericals
9.1. Valence Electrons, Radicle And Molecular Formula
9.2. Chemical Bonds, Its Types And Molecular Weight
9.3. Atom, Atomic Structure, Electronic And Sub-Shell Configuration
9.4. Physical And Chemical Change, Chemical Reaction And Balanced Chemical Equations
9.5. Method Of Balancing Chemical Equation
9.6. Types Of Chemical Reactions And Catalyst
10.1. Solution And Its Types
10.2. Solubility Curve And Crystallization
11.1. Hydrogen
11.2. Oxygen
11.3. Nitrogen
12.1. Metals And Properties Of Metals
12.2. Differences Between Metals And Non-Metals, Role Of Metals In Organisms
13.1. Nature And Sources Of Carbon
13.2. Physical And Chemical Properties Of Carbon
13.3. Organic And Inorganic Compounds
14.1. Sources Of Water And Properties Of Water
14.2. Uses And Types Of Water, Process Of Removal Of Hardness Of Water
15.1. Chemical Fertilizer Used In Agriculture - Differences Between Organic And Inorganic Fertilizers
15.2. Chemical Fertilizer Used In Agriculture - Fertilizers And Its Types
16.1. Inorganic Fertilizers And Its Advantages And Disadvantages
17.1. Introduction
17.2. Plantae
17.3. Invertebrates
17.4. Vertebrates
18.1. Mosquito
19.1. Terrestrial And Aquatic Adaptation
19.2. Bacteria
19.3. Virus
19.4. Fungi And Protozoa
20.1. Meristematic Tissue
20.2. Simple Permanent Tissue
20.3. Complex And Special Permanent Tissues
21.1. Structure Of Bones, Types Of Bones And Its Functions
21.2. Axial Skeleton And Skull
21.3. Axial Skeleton - Vertebral Column And Thoracic Cage
21.4. Appendicular Skeleton
22.1. Digestive System
22.2. Respiratory System
23.1. Eye
23.2. Nose
23.3. Ear
24.1. Tongue
24.2. Skin
25.1. Organic Evolution, Homologous And Analogous Organs
25.2. Evidences Supporting Evolution
25.3. Lamarckism And Its Criticism
25.4. Darwinism And Its Criticism
26.1. Biotic And Abiotic Factors
26.2. Ecosystems
26.3. Food Chain, Food Web And Ecosystem Services
27.1. Disaster Management And Its Cycle
27.2. Glacier Flood, Glacier Lake Outburst And Cyclone
28.1. Greenhouse Effect And Artificial Greenhouse
28.2. Climate Change
29.1. Units Used In Astronomy
29.2. Solar System And Motion Of The Earth
29.3. Phases Of The Moon
29.4. Shadow And Lunar Eclipse
29.5. Solar Eclipse
Intensity And Pitch
Join the discussion
Add a comment
Recent Comments