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17 questions
What processes does X and Y represent?
X: Evaporation Y: Condensation
X: Boiling Y: Melting
X: Condensation Y: Melting
X: Condensation Y: Freezing
Which process does A and B represent?
A: Evaporation B: Precipitation
A: Evaporation B: Condensation
A: Precipitation B: Condensation
A: Condensation B: Evaporation
Evaporation of hot water will take place in cup(s)____________.
A only
A and B only
B and C only
A, B and C
Which process(es) involve a heat gain?
(You can choose more than one answer)
Evaporation
Condensation
Melting
Boiling
Freezing
Which process(es) involve a heat loss?
(You can choose more than one answer)
Evaporation
Condensation
Melting
Boiling
Freezing
Evaporation takes place at _____________.
100oC
0oC
Any temperature as long as there is heat gain
Room temperature
The temperature of a melting ice cube is ______________.
100oC
0oC
increasing
decreasing
During boiling, the temperature of the water is (a) _____________ and there is a change of state from (b) _______________.
(a) 100oC (b) liquid to gas
(a) 100oC (b) gas to liquid
(a) 0oC (b) liquid to gas
(a) 0oC (b) liquid to gas
Which part of the graph shows that ice is melting?
AB
BC
CD
Which shirt will dry the fastest?
Shirt A.
Shirt B
Shirt C
Which beaker will have the least amount of water left after an hour?
Beaker E
Beaker F
Beaker G
Beaker H
While Peter was playing in the snow, he observed ‘white smoke’ whenever he breathed out. (a) What is the white smoke? (b) What process has taken place?
(a) water vapour (b) evaporation
(a) water vapour (b) condensation
(a) water droplets (b) evaporation
(a) water droplets (b) condensation
Which state is Substance P and Q at 100oC?
P: Liquid Q: Liquid
P: Liquid Q: Solid
P: Gas Q: Liquid
P: Solid Q: Liquid
Line AB represents (a) ______________ and Line CD represents (b)______________.
(a) melting (b) boiling
(a) boiling (b) melting
(a) boiling (b) evaporation
(a) melting (b) evaporation
Three beakers of water were placed in the same room. Based on the diagram, which beaker of water contains water of 150C?
Beaker X
Beaker Y
Beaker Z
Three containers of water of the same volume were placed at different locations. Which container of water has the highest rate of evaporation?
Container X
Container Y
Container Z
Which of the following processes show heat gain? (You can select more than one option)
Water droplets forming on the surface of a car.
A puddle of water on the road decreasing in volume.
Ice melting.
Water boiling.
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