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WorksheetsWater vapour in air
Total questions: 9
Worksheet time: 5mins
What is wind?
Moving air.
Tiny drops of water or ice crystals.
rain, hail, sleet or snow.
big, white, puffy, and beautiful clouds.
Which among the following shows evaporation?
Water falls as rain.
Water changes into water vapour.
Water vapour changes into water
Water changes into snow.
Which container A, B or C, would take the longest time for the water to evaporate?
A
B
C
Which one these factors do not affect the rate of evaporation of water?
Temperature
Time of the day
Presence of wind
Exposed surface area
Both evaporation and boiling take place at any temperature.
True
False
Which of the following are the factors that affecting the rate of reactions?
Size of reactants
Concentration of reactants
Temperature
Presence of catalyst
All of above
____________ temperature can ___________ the rate of reaction.
Higher; increase
Lower; increase
Moderate; increase
Evaporation is a process where _____________________
liquid changes to gas
throughout whole water
on surface of water
at any temperature
at boiling point
Factors that affect the rate of evaporation are :
Humidity
Air movement
Exposed surface area
Surrounding temperature
Volume of water
