PW Class 6 Science Chapter 8: A Journey through States of Water Important Questions

Water does not always remain in the same state. A wet cloth dries, water droplets appear on a cold surface, and clouds eventually bring rain. A Journey through States of Water connects such everyday observations with processes including evaporation, condensation, precipitation, and the water cycle.

PW Class 6 Science Chapter 8 Important Questions help students practise these concepts through different question formats. The selected questions below cover direct concepts as well as situations where students need to explain why a change occurs or identify the process involved.

A Journey through States of Water: Important Questions for Practice

These PW important questions cover both direct concepts and situations where students need to identify or explain changes in the states of water. Begin with the objective questions and then attempt the written and activity-based questions independently.

Test Your Understanding with Objective Questions

1. When water is boiled in a utensil and covered with a steel plate, water droplets appear on the inner surface of the plate. These droplets are formed due to:

(A) Evaporation of water from the steel plate
(B) Condensation of water vapour on the cool plate
(C) Melting of moisture present in air
(D) Leakage of water through the utensil lid

Answer: (B) Condensation of water vapour on the cool plate

2. Water changes into water vapour on heating. This process is called:

(A) Freezing
(B) Evaporation
(C) Condensation
(D) Melting

Answer: (B) Evaporation

3. The process in which water vapour turns into tiny droplets of water is:

(A) Melting
(B) Boiling
(C) Condensation
(D) Sublimation

Answer: (C) Condensation

4. Frost formation on grass in the early morning is an example of:

(A) Evaporation
(B) Condensation
(C) Freezing and Deposition
(D) Melting and Sublimation

Answer: (C) Freezing and Deposition

5. Formation of clouds involves:

(A) Evaporation
(B) Condensation
(C) Both A and B
(D) None

Answer: (C) Both A and B

6. In a closed room, two identical wet clothes are kept under the same temperature and surface area conditions. One room has high humidity, while the other has low humidity. Which statement correctly explains the difference in drying rate?

(A) Clothes dry faster in high humidity because air already contains more water vapour
(B) Clothes dry at the same rate in both rooms as humidity does not affect evaporation
(C) Clothes dry slower in high humidity because air has less capacity to take in additional water vapour
(D) Clothes dry faster in high humidity due to increased condensation

Answer: (C) Clothes dry slower in high humidity because air has less capacity to take in additional water vapour

7. Why does sweating cool our body?

(A) Due to condensation of sweat
(B) Due to freezing of sweat
(C) Due to evaporation of sweat
(D) Due to melting of sweat

Answer: (C) Due to evaporation of sweat

8. Assertion (A): Desert coolers work better on hot and dry days.

Reason (R): Dry air allows faster evaporation of water.

(A) Both A and R are true, and R is the correct explanation of A
(B) Both A and R are true,e but R is not the correct explanation of A
(C) A is true, but R is false
(D) A is false, but R is true

Answer: (A) Both A and R are true, and R is the correct explanation of A

9. The continuous movement of water through evaporation, condensation, precipitation, and runoff primarily helps in:

(A) Regulating the proportion of oxygen in the atmosphere
(B) Maintaining the overall availability and distribution of water on Earth
(C) Recycling atmospheric nitrogen into usable forms
(D) Increasing mineral content and fertility of soil

Answer: (B) Maintaining the overall availability and distribution of water on Earth

The PW answer key confirms the answers to Q1–Q9 as B, B, C, C, C, C, C, A, B.

Build Your Written Answer Practice

10. Why does ice float on water?

11. Write two differences between evaporation and boiling.

12. Fill in the blanks:

(a) When water vapour changes directly into solid frost without becoming liquid, the process is called _______.

(b) The droplets of water seen on leaves early in the morning are called _______.

(c) The process by which plants lose water in the form of vapour through tiny openings is called _______.

13. State True or False with reasons:

(a) Water always boils at 100°C at all places on Earth.

(b) Evaporation causes cooling because it releases heat to the surroundings.

(c) Snow is a form of precipitation.

A Journey through States of Water Important Questions PDF

PW provides the Class 6 Science Chapter 8 Important Questions PDF for students who want to continue practising A Journey through States of Water. The complete question set includes MCQs, assertion-reason questions, fill-in-the-blanks, True/False questions with reasons, short answers, and activity-based questions.

Complete Class 6 Science Resources from PW

Students can use these PW resources after completing the Chapter 8 questions to revise concepts and continue their Science practice:

• Class 6 Science Syllabus – Check the complete list of chapters and plan Science revision.

• Class 6 Science Notes – Revisit concepts such as evaporation, condensation, and other chapter topics.

• Class 6 Science Sample Papers – Practise mixed-chapter questions and check overall preparation.

• Class 6 Science NCERT Solutions – Work through textbook exercises with chapter-wise solutions.

• Class 6 Science Important Questions – Continue with focused question practice from other Class 6 Science chapters.

The PW Class 6 Science Chapter 8 Important Questions help students practise how water changes between different states and how these changes appear in everyday life. Questions on evaporation, condensation, humidity, sublimation, and the water cycle combine direct concepts with reasoning and activity-based practice. Students can use the other PW Class 6 Science resources alongside these questions for further revision.