🚀 Class 8 • CBSE • Science

Science

14 chapters — complete each to earn XP and build mastery

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1
Crop Production and Management
Agricultural practices, irrigation, manures, pesticides, crop storage.
Study Practice
+20 XP
2
Microorganisms: Friend and Foe
Bacteria, viruses, fungi — useful and harmful microorganisms, antibiotics.
Study Practice
+20 XP
3
Synthetic Fibres and Plastics
Types of synthetic fibres, properties of plastics, biodegradability.
Study Practice
+20 XP
4
Materials: Metals and Non-metals
Properties, uses, reactions with acids/bases, corrosion.
Study Practice
+20 XP
5
Coal and Petroleum
Fossil fuels, formation, products, natural resources depletion.
Study Practice
+20 XP
6
Combustion and Flame
Conditions for combustion, types of combustion, fire extinguisher, flame zones.
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+20 XP
7
Conservation of Plants and Animals
Biodiversity, wildlife sanctuary, national parks, Red Data Book.
Study Practice
+20 XP
8
Cell — Structure and Functions
Cell theory, plant vs animal cell, organelles, unicellular/multicellular.
Study Practice
+25 XP
9
Force and Pressure
Types of forces, pressure, atmospheric pressure, liquid pressure.
Study Practice
+25 XP
10
Friction
Types of friction, advantages, disadvantages, ways to reduce/increase.
Study Practice
+20 XP
11
Sound
Production of sound, propagation, frequency, amplitude, human ear.
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+20 XP
12
Chemical Effects of Electric Current
Conductors, electrolysis, electroplating, applications.
Study Practice
+25 XP
13
Some Natural Phenomena
Lightning, earthquakes, thunderstorms, safety measures.
Study Practice
+20 XP
14
Light
Reflection, laws of reflection, kaleidoscope, human eye, Braille.
Study Practice
+20 XP

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