Page 53 - Science Class 06

6 6 6

Matter : Nature and Properties

• What is Ma er? • Three States of Ma er

• Ma er is Par culate • Proper es of Ma er

WHAT IS MATTER? feel its touch against the body when it
blows.
Anything that occupies space and has mass
is known as ma er. Everything around us is THREE STATES OF MATTER
a form of ma er. The huge buildings, From the above examples, we have clearly
bridges, electrons revolving around a
known one very important fact about
nucleus, the DNA in our cells, the air around
ma er that it has three different forms.
us, the land beneath our feet, etc. all are
Let us read and understand about them:
ma er. A ma er is said to be composed of
par cles which are basically atoms and Solids

molecules. Let us take three things—a lump The substances in which the par cles are
of ice, some water in a glass and a balloon held close to each other with strong
inflated with air. Let us examine these intermolecular forces are known as solids.
things one-by-one. The par cles are strongly held at their

v The lump of ice has a body, i.e., it is posi ons and have only vibratory mo on.
concrete and can be touched. It occupies Solids have a definite shape and definite
space and has mass also. volume, e.g., wood, iron, etc.

v The water in the glass also occupies
space. It has mass and can be touched,
i.e., it is concrete.

v The air in the balloon has puffed it up. It
shows that air occupies space. It has
made it heavier as well. So, air has mass.
Though we cannot see the air, we can
Solid

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