Excretion

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Science

1MEASUREMENT3 lessons

Measurement - Si Unit And Length
Measurement - Mass And Time
Measurement - Area And Volume

2FORCE AND MOTION4 lessons

Centripetal Force And Gravitational Force
Magnetic, Electrostatic And Frictional Force
Scalar And Vector
Speed, Acceleration And Velocity

3SIMPLE MACHINE3 lessons

Simple Machine - Lever
Wheel And Axle, Pulley
Inclined Plane, Wedge And Screw

4PRESSURE1 lessons

Pressure

5ENERGY, WORK AND POWER - MECHANICAL ENERGY5 lessons

Light, Sound And Electrical Energy
Energy, Work And Power - Mechanical Energy
Magnetic And Nuclear Energy
Work
Power

6HEAT3 lessons

Conduction Of Heat
Convection And Radiation Of Heat
Thermos And Thermometer

7LIGHT2 lessons

Reflection Of Light
Periscope And Kaleidoscope

8SOUND2 lessons

Sound - Sound & Wave
Speed Of Sound In Different Medium

9MAGNET2 lessons

Making A Magnet
Magnet

10ELECTRICITY1 lessons

Static Electricity

11MATTER3 lessons

Elements And Compounds
Atoms And Molecules
Elements Of Environment

12MIXTURE2 lessons

Evaporation, Sublimation And Centrifuging
Crystallization And Solution

13Metal And Non-Metal2 lessons

Metals And Non-Metals
Alloy And Non-Metal

14SOME USEFUL CHEMICALS1 lessons

Some Useful Chemicals - Phenol, Detergent, Detol & Fertilizers

15LIVING BEINGS5 lessons

Living Beings - Vertebrates
Plant Kingdom - Cryptogams
Plant kingdom - Phanerogams
Vegetative Parts Of Plnat
Flower

16CELL AND TISSUE4 lessons

Cell And Tissue - Cell Wall And Cell Membrane
Cell Organelles - Plastid
Cell Organelles
Unicellular Organism

17LIFE PROCESS3 lessons

Life Process
Digestive System
Excretion

18STRUCTURE OF EARTH2 lessons

Structure Of Earth
Types Of Rock

19WEATHER AND CLIMATE3 lessons

Atmosphere And Wind
Weather And Forecasting
Components Of Atmosphere

20EARTH AND SPACE2 lessons

Solar System
Stars And Constellations

21ENVIRONMENT AND ITS BALANCE5 lessons

Natural Resources
Importance Of Natural Resource
Natural Resource Conservation
Living Community
Man And Environment

22ENVRONMENTAL DEGRADATION AND CONSERVATION4 lessons

Environment Degradation
Natural Disaster
Environmental Sanitation
Environmental Conservation

23ENVIRONMENT AND SUSTAINABLE DEVELOPMENT2 lessons

Sustainable Development
Nature Friendly Development