Class 8 Science – Chapter 4
Materials: Metals and Non-Metals
Page 1 – Introduction

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🔹 Introduction

Everything around us is made up of different materials. These materials can be broadly classified into Metals and Non-Metals based on their physical and chemical properties.

🔹 What are Metals?

• Metals are materials that are usually hard, shiny and strong.
• Most metals are solid at room temperature.
• Examples: Iron, Copper, Aluminium, Gold

🔹 What are Non-Metals?

• Non-metals are materials that are generally soft and dull.
• They may exist as solids, liquids or gases.
• Examples: Oxygen, Sulphur, Carbon

🔹 Uses in Daily Life

• Metals are used to make tools, machines, vehicles and wires.
• Non-metals are used in medicines, fertilizers, fuels and breathing.

🔹 Why Study Metals and Non-Metals?

• To understand properties of materials.
• To select proper materials for different uses.
• To learn about natural resources and conservation.

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🌟 Metals give strength, Non-metals give life!

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