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Worksheet: Particulate Nature of Matter | Worksheets with Solutions for Class 8 PDF Download

Multiple Choice Questions

Q1. Which of the following statements is not correct for liquid state?
(a) Particles are loosly packed in the liquid state
(b) Fluidity is the maximum in the liquid state
(c) Liquids can be compressed
(d) Liquids take up the shape of any container in which these are placed

Q2. What happens to the particles of a solid when it is heated to its melting point?
(a) They move farther apart and become a gas
(b) They vibrate more vigorously and become a liquid
(c) They stop moving completely
(d) They compress closer together

Q3. Why do liquids take the shape of their container but not gases?
(a) Liquids have stronger interparticle attractions than gases
(b) Liquids have no interparticle spaces
(c) Gases have a fixed volume
(d) Liquids have maximum interparticle spacing

Q4. What does Activity with potassium permanganate in water demonstrate?
(a) The compressibility of liquids
(b) The fixed volume of liquids
(c) The continuous motion of liquid particles
(d) The strong interparticle forces in liquids


Worksheet: Particulate Nature of Matter | Worksheets with Solutions for Class 8

Fill in the Blanks


Q1. Matter is made up of small_________.

Q2. The forces of attraction between the particles are _______ in solids, ______ in liquids and _________ in gases.

Q3. Solid, liquid and gas are called the three _______ of matter.

Q4. The smell of perfume gradually spreads across a room due to ______.

Q5. Gas molecules at higher temperatures have more _______ than at cooler temperatures.

Q6. Forces of attraction in liquids are _______ than in solid.

Worksheet: Particulate Nature of Matter | Worksheets with Solutions for Class 8

Very Short Answer Questions

Q1. What are the basic building blocks of matter called?

Q2. Why do solids have a fixed shape?

Q3. What happens to sugar particles when dissolved in water?

Q4. Why can gases be compressed easily?

Q5. What causes the fragrance of an incense stick to spread in a room?

Worksheet: Particulate Nature of Matter | Worksheets with Solutions for Class 8

Short Answer Questions


Q1. Gases can be compressed but solids cannot. Explain.

Q2. A substance is in liquid state at room temperature and changes into gas upon heating. What will you call its gaseous state? 

Q3. What happens to the particles of sugar when it dissolves in water, and why can’t we see them anymore?

Q4. Why do solids like chalk and iron have a fixed shape and volume?

Q5. How does the interparticle spacing in liquids compare to that in solids, and what does this mean for their properties?

Q6. What role does heating play in changing a solid to a liquid, and what is this process called?

Q7. Why do gases fill the entire space of their container, unlike solids and liquids?

You can find Worksheet Solutions here: Worksheet Solutions: Particulate Nature of Matter 

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FAQs on Worksheet: Particulate Nature of Matter - Worksheets with Solutions for Class 8

1. What is the particulate nature of matter?
Ans. The particulate nature of matter refers to the concept that all matter is composed of tiny particles known as atoms and molecules. These particles are in constant motion and have spaces between them, which distinguishes solids, liquids, and gases based on the arrangement and movement of these particles.
2. How do the properties of solids, liquids, and gases differ based on their particle arrangement?
Ans. In solids, particles are closely packed in a fixed arrangement, which gives them a definite shape and volume. In liquids, particles are still close but can move past one another, allowing liquids to take the shape of their container while maintaining a definite volume. In gases, particles are far apart and move freely, resulting in no definite shape or volume, allowing gases to expand and fill any available space.
3. What role does temperature play in the behavior of particles in different states of matter?
Ans. Temperature affects the energy of particles; as temperature increases, particles gain kinetic energy and move faster. In solids, increased temperature can lead to melting, transitioning to a liquid state. For liquids, raising the temperature can cause evaporation, converting the liquid into gas. Conversely, lowering the temperature can slow particle movement, potentially causing gases to condense into liquids and liquids to freeze into solids.
4. Can matter change from one state to another? If so, what are some common processes involved?
Ans. Yes, matter can change from one state to another through processes such as melting (solid to liquid), freezing (liquid to solid), evaporation (liquid to gas), condensation (gas to liquid), and sublimation (solid to gas). These changes often involve the addition or removal of heat energy.
5. Why is understanding the particulate nature of matter important in everyday life?
Ans. Understanding the particulate nature of matter helps explain various phenomena in everyday life, such as why ice floats on water, how gases fill a balloon, and the principles behind cooking and phase changes. This knowledge is fundamental in fields such as chemistry, physics, and engineering, influencing everything from food preparation to the development of new materials.
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