Tamil Nadu Board of Secondary EducationSSLC (English Medium) (5 to 8) Class 6

Mention any two characteristics of the particles of matter. - Science

Short Note

Mention any two characteristics of the particles of matter.



  1. Particles of matter have a lot of space in between them.
  2. Particles of matter attract each other.
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Give reasons:
Liquids can flow 

Fill in the blank: 

The process in which a solid directly changes into a gas is called ....................

Fill in the blank:

The temperature at which a liquid starts changing into its vapour state is ______.

What are fluids ? Give two examples.

Water cycle is an example of inter conversion of states of water. Explain.

Write your observation and conclusion for the following.

When a small stone is gently dipped into a glass filled with water.

Write whether the following statement is true or false.
Solids have the largest inter-molecular space.

Write true or false for statement. Rewrite the false statement correctly.

Solids and liquids can flow.


  1. cannot be compressed easily,
  2. occupy the entire space of the container.
  3. have definite shapes.
  4. cannot flow.

Fill in the blank :

Air is a matter because it has ________ and _______ and it can be _________

What happens when a solid is heated ?

Give reason of We can walk through air.

Give an experiment to explain that there are intermolecular spaces between water molecules.

Write whether the following statement are true or false.

Intermolecular force of attraction is greater in gases than in liquids.

When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?

Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?

When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance spreads in the whole room quickly. Which characteristic of the particles of matter is illustrated by this observation?

A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be taken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?

Fill in the following blank with suitable words :

The smell of perfume gradually spreads across a room due to .....................

State two characteristics of matter demonstrated by diffusion.

Which one of the following statement is correct in respect of fluids?

Which of the following statement is incorrect?

Which one of the following statements is not true?

  1. the molecules in a solid vibrate about a fixed position
  2. the molecules in a liquid are arranged in a regular pattern
  3. the molecules in a gas exert negligibly small forces on each other, except during collisions
  4. the molecules of a gas occupy all the space available

Define: diffusion

 Define: interconversion of states of matter.

What are the two conditions for the interconversion of states of matter?

Give reasons for the following:

Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid.

Give reasons for the following:

Sugar can be distinguished from talcum powder using water.

Give reasons for the following:

Water on freezing turns into ice.

Give reasons for the following:

A bottle of perfume on opening evolves an odour which can be sensed over a long distance.

Complete the statement given below by selecting the correct word.

The space between atoms in gases is maximum while in ____ is minimum,

Fill in the blank with the correct word Given below.

The space between atoms’ [molecules] of solids is ____

Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to space.

State in which of the three states of matter:

Are the atoms or particles far apart

Describe simple experiment to show that particles of matter are closely packed in solids and less in liquids.

Give a reason why solids and liquids co-exist at their melting points.

Match the characteristics of the three states of matter in List I with their correct answer from List II.

List I List II
1. Have no definite shape, volume or free surface A: Solids only
2. Are highly compressible and least rigid B: Liquids only
3. Have a definite volume, no definite shape and are slightly diffusable C: Gases only
4. Are not compressible and have no diffusability D: Liquids and gases only
5. Have mass and occupy space E: Solids and gases only
  F: Solids, liquids and gases

Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.

During sublimation, the inter-particle attraction is _______________.

200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be ______.

Among the following ______ is not a mixture.

Water obtained from tube wells is usually ______ water.

Air is not compressible.

Match the following.

Property Example
Breaks easily (Brittle) Metal pan
Bends readily Rubber band
Can be stretched easily Cotton wool
Gets compressed easily Mud pot
Gets heated readily Plastic wire

Mr. Raghu returns home on a hot summer day and wants to have buttermilk. Mrs. Raghu has the only curd. What can she do to get buttermilk? Explain

In a glass containing some water, tamarind juice and sugar are added and stirred well. Is this a mixture? Can you tell why? Will this solution be sweet or sour or both sweet and sour?

Which one of the following element name is not derived from planet?

The Cow and Birds are nonliving things.

You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.


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