A Journey through States of Water Class 6 MCQ
Q1. Water changes into water vapour by the process of:
A. Condensation
B. Freezing
C. Evaporation ✅
D. Melting
Q2. Which is the solid state of water?
A. Steam
B. Ice ✅
C. Rain
D. Dew
Q3. Evaporation takes place at:
A. Only 100°C
B. Only 0°C
C. All temperatures ✅
D. Only high temperature
Q4. Which factor increases evaporation?
A. High humidity
B. Low temperature
C. Large surface area ✅
D. No wind
Q5. Clothes dry faster on a sunny day because:
A. Wind speed is low
B. Temperature is high ✅
C. Humidity is high
D. Air is cold
Q6. Clothes dry slowly on a rainy day due to:
A. High temperature
B. Wind
C. High humidity ✅
D. Sunlight
Q7. Water droplets appear on the outside of a cold glass due to:
A. Evaporation
B. Melting
C. Condensation ✅
D. Freezing
Q8. Conversion of water vapour into liquid water is called:
A. Evaporation
B. Condensation ✅
C. Melting
D. Freezing
Q9. Which has the maximum surface area for evaporation?
A. Water in bottle
B. Water in glass
C. Water in plate ✅
D. Water in cap
Q10. The gaseous state of water is called:
A. Ice
B. Rain
C. Water vapour ✅
D. Dew
Q11. Which process requires heat?
A. Freezing
B. Condensation
C. Melting ✅
D. Cooling
Q12. Which process requires cooling?
A. Evaporation
B. Melting
C. Freezing ✅
D. Heating
Q13. Melting is the change of:
A. Liquid → Gas
B. Gas → Liquid
C. Solid → Liquid ✅
D. Liquid → Solid
Q14. Freezing is the change of:
A. Solid → Liquid
B. Gas → Liquid
C. Liquid → Solid ✅
D. Gas → Solid
Q15. Which state of water has a fixed shape?
A. Liquid
B. Gas
C. Solid ✅
D. Vapour
Q16. Which state of water has no fixed shape and no fixed volume?
A. Solid
B. Liquid
C. Gas ✅
D. Ice
Q17. Evaporation causes:
A. Heating
B. Cooling ✅
C. Freezing
D. Condensation
Q18. Why does sweat cool our body?
A. Sweat freezes
B. Sweat melts
C. Sweat evaporates and absorbs heat ✅
D. Sweat condenses
Q19. Water in an earthen pot remains cool due to:
A. Freezing
B. Condensation
C. Evaporation ✅
D. Melting
Q20. Wind helps evaporation by:
A. Increasing humidity
B. Lowering temperature
C. Removing water vapour ✅
D. Blocking air
Q21. The amount of water vapour in air is called:
A. Temperature
B. Pressure
C. Humidity ✅
D. Wind
Q22. Clouds are formed due to:
A. Evaporation
B. Freezing
C. Condensation ✅
D. Melting
Q23. Rain occurs when:
A. Clouds evaporate
B. Water droplets become heavy ✅
C. Temperature rises
D. Wind stops
Q24. Water falls as snow or hail when:
A. Weather is hot
B. Humidity is low
C. Temperature is very low ✅
D. Wind speed is high
Q25. The continuous movement of water between Earth and atmosphere is called:
A. Evaporation
B. Condensation
C. Water cycle ✅
D. Humidity