Types Of Pure Substances
Chapter Name : Is Matter Around Us Pure? |
Sub Topic Code : 102_09_02_05_01 |
Topic Name : Types Of Pure Substances |
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Sub Topic Name : Elements |
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Introduction
History of elements
Pre-Requisites:
Basic knowledge on elements.
Activity:
Write down a list of places/objects where you come across metals in day to day life
Real Life Question:
What elements conduct electricity and ductile?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Metal | An element which is a good conductor of heat and electricity is called as a metal |
| Non metal | An element which is not a good conductor of heat and electricity is called as a non metal |
| Metalloid | The element with property between metal and non metals is called metalloid |
| Element | Basic form of matter which cannot be broken into simpler substances. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Identification of elements | Identify elements as metals non metals and metalloids |
Real life uses :
Matches, fire crackers, building of auto mobiles, ships, etc.,
Practical examples around us
| Examples | Explainations |
|---|---|
| Why is iron (metal) important in our diet? | Iron helps in transport of oxygen in the body. So iron is very important in our diet. |
What you learn in Theory:
Elements. Classification of elements.
What you learn in Practice:
Elements , differences between metals, non metals and metalloids