Physical Properties
Chapter Name : Metals And Non-Metals |
Sub Topic Code : 102_10_03_01_01 |
Topic Name : Physical Properties |
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Sub Topic Name : Metals |
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Introduction
Metals shine. Metals are harder than non-metals. Metals are malleable and ductile. Metals are good conductors of electricity. They are good conductors of heat. Metals produce sound when they strike hard surfaces.
Pre-Requisites:
Metals, non-metals
Activity:
Metals such as silver, gold have a shiny surface whereas non-metals do not.
Real Life Question:
Why does silver have a shiny surface?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Metal | Elements which are malleable and ductile and have a shiny lustre. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Periodic table | Observe how the metals and non-metals are placed in the periodic table. |
Real life uses :
To make pillars, furniture, rods, in construction.
Places to visit :
Kitchen.
Practical examples around us
| Examples | Explainations |
|---|---|
| Silver, gold, iron | All are metals. |
What you learn in Theory:
Metals shine. Metals are harder than non-metals. Metals are malleable and ductile. Metals are good conductors of electricity. They are good conductors of heat. Metals produce sound when they strike hard surfaces.
What you learn in Practice:
Metals and non-metals have different physical properties.