Excretory System

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Science

1MEASURMENT2 lessons

Measurement - Physical Quantity And Their Units
Length , Mass And Time And Conversion Of Units

2FORCE3 lessons

Newtons First And Second Law Of Motion
Newtons Third Law Of Motion And Numericals
Force - Rest and Motion

3SIMPLE MACHINE4 lessons

Simple Machine - Machine Advantage And Velocity Ratio
Efficiency And Friction In A Machine And Lever
Simple Machine - Pulley, Inclined Plane, Wheel And Axle
Simple Machine - Moment And Numericals

4WORK , ENERGY AND POWER3 lessons

Work, Energy and its types
Power And Transformation Of Energy
Numericals On Work Energy And Power

5LIGHT3 lessons

Refraction Of Light And Its Laws
Effects Of Refraction Of Light And Total Internal Reflection
Dispersion Of Light , Electromagnetic Waves And Its Properties

6Sound4 lessons

Sound - Sources And Nature
Sound - Wave Velocity, Medium And Spectrum
Sound - Reflection And Refraction
Sound - Intensity And Pitch

7CURRENT ELECTRICITY AND MAGNETISM5 lessons

Current Electricity And Magnetism - Ohm's Law
Current Electricity And Magnetism - Resistance
Current Electricity And Magnetism - Terrestrial Magnetism
Current Electricity And Magnetism - Magnetic Field
Sound, Current Electricity And Magnetism - Numericals

8CLASSIFICATION OF ELEMENTS3 lessons

Atom, Atomic Structure, Electronic And Sub-Shell Configuration
Valence Electrons, Radicle And Molecular Formula
Chemical Bonds, Its Types And Molecular Weight

9CHEMICAL REACTION3 lessons

Physical And Chemical Change, Chemical Reaction And Balanced Chemical Equations
Method Of Balancing Chemical Equation
Types Of Chemical Reactions And Catalyst

10SOLUBILITY2 lessons

Solubility - Solution And Its Types
Solubility Curve And Crystalization

11SOME GASES3 lessons

Some Gases - Hydrogen
Some Gases - Oxygen
Some Gases - Nitrogen

12METALS2 lessons

Metals And Propoerties Of Metals
Differences Between Metals And Non-Metals, Role Of Metals In Organisms

13CARBON AND ITS COMPOUNDS3 lessons

Carbon And Its Compunds - Nature And Sources Of Carbon
Carbon And Its Compunds - Physical And Chemical Properties Of Carbon
Carbon And Its Compunds - Organic And Inorganic Compounds

14WATER2 lessons

Water - Sources Of Water And Properties Of Water
Uses And Types Of Water, Process Of Removal Of Hardness Of Water

15CHEMICAL FERTILIZER USED IN AGRICULTURE3 lessons

Chemical Fertilizer Used In Agriculture - Differences Between Organic And Inorganic Fertilizers
Chemical Fertilizer Used In Agriculture - Fertilizers And Its Types
Inorganic Fertilizers And Its Advantages And Disadvantages

16CLASSIFICATION OF PLANTS AND ANIMALS7 lessons

Classification Of Plants And Animals - Introduction
Classification Of Plants And Animals - Plantae
Classification Of Plants And Animals - Invertebrates
Classification Of Plants And Animals - Invertebrates
Classification Of Plants And Animals - Invertebrates
Classification Of Plants And Animals - Vertebrates
Mosquito

17ADAPTATION OF ORGANISM5 lessons

Adaptation Of Organism - Terrestrial And Aquatic Adaption
Adaptation Of Organism - Terrestrial And Aquatic Adaption
Adaptation Of Organism - Bacteria
Adaptation Of Organism - Virus
Adaptation Of Organism - Fungi And Protozoa

18SYSTEM10 lessons

System - Plant Tissue - Meristematic Tissue
System - Plant Tissue - Simple Permanent Tissue
System - Plant Tissue - Complex And Special Permanent Tissues
Skeletal System - Structure Of Bones, Types Of Bones And Its Functions
Skeletal System - Axial Skeleton And Skull
Skeletal System - Axial Skeleton - Vertebral Column And Thoracic Cage
Skeletal System - Appendicular Skeleton
System - Digestive System
System - Respiratory System
Excretory System

19SENSE ORGANS5 lessons

Sense Organs - Eye
Sense Organs - Nose
Sense Organs - Ear
Sense Organs - Tounge
Sense Organs - Skin

20EVOLUTION4 lessons

Evolution - Organic Evolution, Homologous And Analogous Organs
Giving Advice And Warnings - Exercise
Evolution - Lamarkism And Its Criticism
Evolution - Darwanism And Its Criticism

21NATURE AND ENVIRONMENT3 lessons

Nature And Environment - Biotic And Abiotic Factors
Nature And Environment - Ecosystems
Nature And Environment - Food Chain, Food Web And Ecosystem Services

22NATURAL HAZARD2 lessons

Natural Hazard - Disaster Management And Its Cycle
Natural Hazard - Glacier Flood, Glacier Lake Outbrust And Cyclone

23GREEN HOUSE2 lessons

Green House - Green House Effect And Artificial Green House
Rojan Adhikari

24THE EARTH IN THE UNIVERSE5 lessons

The Earth In The Universe - Units Used In Astronomy
The Earth In The Universe - Solar System And Motion Of The Earth
The Earth In The Universe - Phases Of The Moon
The Earth In The Universe - Shadow And Lunar Eclipse
The Earth In The Universe - Solar Eclipse