
Changes of State (Heat Transfer)
Quiz by Chin San Sunny Goh
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- Q1
What is evaporation? It is the change in the state of water from liquid to gas due to .......................
heat loss.
heat gain.
15s - Q2
Unlike boiling, evaporation occurs all the time and at any temperature below boiling point. True or false?
truefalseTrue or False15s - Q3
Humidity is the measure of the amount of water vapour in the air. True or false?
truefalseTrue or False15s - Q4
The lower the humidity of the air, the higher the rate of evaporation.
truefalseTrue or False15s - Q5
Condensation is the change in the state of water from gas to liquid due to ..........................
heat loss.
heat gain.
15s - Q6
What is steam? It is _________________________________________________
hot water vapour when water is at boiling point.
water vapour.
hot water vapour.
20s - Q7
The 'white clouds' that we can see when we boil water is/ are actually __________________________
water droplets (liquid)
water vapour (gas).
20s - Q8
The water droplets on the outside of a cold can of drink are formed because ................................
cooler water vapour in the surroundings loses heat to the warmer surface of the can.
warmer water vapour in the surroundings loses heat to the warmer surface of the can.
warmer water vapour in the surroundings loses heat to the cooler surface of the can.
cooler water vapour in the surroundings loses heat to the cooler surface of the can.
30s - Q9
Where would we find water droplets if we cover the top of a hot cup of tea with a cling wrap?
on the inner side of the cup and cling wrap
on the outer side of the cup and cling wrap
20s - Q10
When ice melts at 00C, it is gaining heat. True or false?
truefalseTrue or False20s - Q11
When water is being frozen at 00C, it is losing heat. True or false?
truefalseTrue or False20s - Q12
Temperature is a measure of ________________________________
how hot something is.
how cold something is.
how hot or cold something is.
20s - Q13
What is freezing? It is a process in which liquid changes into solid due to _____________________
heat gain at melting point.
heat gain at freezing point.
heat loss at melting point.
heat loss at freezing point.
30s