Particulate Nature of Matter Class 8 Fill in the Blanks
hardParticulate Nature of Matter Class 8 Fill in the Blanks
Particulate Nature of Matter Class 8 Fill in the Blanks
Question 1.
The three states of matter are ............, ............, and .............
Answer:
solid, liquid, gas
Question 2.
In solids, the particles are closely packed together, resulting in ............interparticle spacing compared to liquids and gases.
Answer:
less
Question 3.
When a gas is compressed, the particles are forced closer together, demonstrating that gases have a lot of ............between them in their natural state.
Answer:
space
Question 4.
When sugar dissolves in water, it breaks down into its ............particles, which cannot be observed but can be sensed by taste.
Answer:
constituent
Question 5.
The ability of gases to fill all available space is due to their high ............energy, which allows the particles to move freely and mix easily.
Answer:
kinetic
Particulate Nature of Matter Class 8 True or False
Question 1.
The particles in a solid are closely packed and can move freely.
Answer:
False
Question 2.
Gases have a definite shape and volume.
Answer:
False
Question 3.
When ice melts into water, the interparticle attractions decrease.
Answer:
True
Question 4.
The arrangement of particles in liquids is more ordered than in gases.
Answer:
True
Question 5.
The smell of camphor spreads throughout a room because the particles of camphor are heavy.
Answer:
False
Particulate Nature of Matter Class 8 Match the Following
Question 1.
Match the states of matter given in Column A with their characteristics given in Column B.
| Column A (States of Matter) | Column B (Characteristics) |
| (i) Solid | (a) No fixed shape, definite volume |
| (ii) Liquid | (b) No fixed shape, no fixed volume |
| (iii) Gas | (c) Fixed shape and volume |
Answer:
| Column A (States of Matter) | Column B (Characteristics) |
| (i) Solid | (c) Fixed shape and volume |
| (ii) Liquid | (a) No fixed shape, definite volume |
| (iii) Gas | (b) No fixed shape, no fixed volume |
Question 2.
Match the processes given in Column A with their descriptions given in Column B.
| Column A (Processes) | Column B (Descriptions) |
| (i) Melting | (a) Transformation from liquid to gas |
| (ii) Freezing | (b) Transformation from solid to liquid |
| (iii) Evaporation | (c) Transformation from liquid to solid |
| (iv) Condensation | (d) Transformation from gas to liquid |
Answer:
| Column A (Processes) | Column B (Descriptions) |
| (i) Melting | (b) Transformation from solid to liquid |
| (ii) Freezing | (c) Transformation from liquid to solid |
| (iii) Evaporation | (a) Transformation from liquid to gas |
| (iv) Condensation | (d) Transformation from gas to liquid |