Page 93 - Science Class 6 Times Publication

Chapter
Chapter

9 MATTER

Estimated periods: 8

OBJECTIVES

At the end of the lesson, the students will be able to:
Ü dene matt er;

Ü tell the physical properties of matt er;
Ü tell different states of matt er;

Ü tell the conditions for the change in state of matt er;

Ü dene element, compound and mixture and classify matt er

as element, compound and mixture.

MIND OPENERS
Ü Can you say what matter is?

Ü What are different states of matter? Can matter be changed from

one state to another state? How?

Ü Can you say the differences between pure water and tea? Discuss.
Introduction

There are various things around us. We nd trees, stones, soil,
buildings, chair, tables, water, air, etc around us. All of them are
matters.

Most of the matters can be seen with naked eyes but some of them

cannot be seen. We can see milk, water, book, table, bus, building, etc
but cannot see gas, air, etc. Matter remains in different forms with
different properties. But, all of them have two common properties.
They are: they have mass and they occupy space.

Matter is anything that occupies space and has mass.

Mass of an object is total quantity of matter contained in it. Due to
mass, an object is heavy and has weight. In general, bigger object has

Times' Crucial Science and Environment 89 Book 6