Question 1
The diagram shows some ice being used to lower the temperature of some warm water.
What is the main process by which the water at the bottom of the glass becomes cool?
A
condensation
B
conduction
C
convection
D
radiation
Question 2
A cupboard is placed in front of a heater. Air can move through a gap under the cupboard.
Which row describes the temperature and the direction of movement of the air in the gap?
air temperature
air direction
cool
away from the heater
cool
towards the heater
warm
away from the heater
warm
towards the heater
Question 3
The diagram shows some ice being used to lower the temperature of some warm water.
What is the main process by which the water at the bottom of the glass becomes cool?
A
condensation
B
conduction
C
convection
D
radiation
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