Crop Production and Management
Agricultural practices and tools.
Science · Class 8
Work through the chapters in order, or continue with the one you need today.
Understand the ideaTry it yourselfReview what needs work
Learn this chapter
Microorganisms
Friendly and harmful microbes.
Cell Structure and Functions
Cells, organelles and their roles.
Force and Pressure
Contact and non-contact forces, and pressure.
Friction
Factors affecting friction and ways to control it.
Sound
How sound is produced, travels and is heard.
Chemical Effects of Electric Current
Conduction in liquids and electroplating.
Light
Laws of reflection and the human eye.
Combustion and Flame
Conditions for combustion, types of flames and fuel efficiency.
Coal and Petroleum
Explain the origin, processing, uses, and environmental costs of fossil fuels.
Synthetic Fibres and Plastics
Relate polymer structure to useful properties, safe use, and persistent waste.
Materials: Metals and Non-metals
Predict material behaviour using physical properties and common chemical reactions.
Conservation of Plants and Animals
Understand biodiversity loss and compare in-place and off-site conservation strategies.
Reproduction in Animals
Compare reproductive strategies and follow human fertilisation through early development.
Reaching the Age of Adolescence
Connect endocrine control with puberty, reproductive maturity, nutrition, and wellbeing.
Some Natural Phenomena
Explain lightning and earthquakes scientifically and apply practical safety measures.