(a) Define the term 'matter'.
(b) Mention the various physical states of matter and
explain their properties (shape, volume, compressibility,
and diffusion) in tabular format.
(c) Which of the given states of matter show the property
of fluidity?
[8 Marks]

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Solution

(a) Anything that has space and occupies volume is
known as matter.
[1 Mark]
(b) There are three states of mater namely: Solids,
liquids, and gases.
[1 Mark]

Property Solids Liquids Gas

Shape
(1 Mark) Have fixed shape Take the shape of the container in which they are kept Have no fixed shape

Volume
(1 Mark) Have fixed volume Have fixed volume Take the entire volume of container in which they are kept

Compressibility (1 Mark) Incompressible Slightly compressible Highly compressible

Diffussion
(1 Mark) Extremely slowly Moderately Rapidly

(c) Liquids and gases show the property of fluidity.
[2 Marks]

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Write the physical state of matter that shows the property of being rigid and incompressible.

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Shape
Volume
Compressibility
State of matter

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Property	Solids	Liquids	Gas
Shape (1 Mark)	Have fixed shape	Take the shape of the container in which they are kept	Have no fixed shape
Volume (1 Mark)	Have fixed volume	Have fixed volume	Take the entire volume of container in which they are kept
Compressibility (1 Mark)	Incompressible	Slightly compressible	Highly compressible
Diffussion (1 Mark)	Extremely slowly	Moderately	Rapidly