WorksheetsEvaporation & Factors affecting it
Total questions: 14
Worksheet time: 7mins
What is humidity?
Amount of water present in the air
Amount of water vapours present in the air
Amount of energy present in the air
Evaporation occurs only _____
after boiling
at surface of a liquid
after extreme cooling
Do clothes dry faster in a hot or a cool day?
Hot Day
Cool Day
It will be same in both the days
What is evaporation?
Changing of a liquid into gas
Changing of a gas into liquid
Changing of a solid into gas
Changing of a gas into solid
Which of the following is NOT an example of evaporation?
Drying of clothes
Water disappearing from a puddle
Boiling water
Perfume scent spreading in air
Which of the following surfaces will allow evaporation to occur the fastest?
A small bowl of water
A wide, shallow dish of water
A closed bottle of water
A cup of water in the shade
Which factor increases the rate of evaporation?
High Humidity
Low Temperature
Strong Wind
Small Surface Area
How does temperature affect evaporation?
Higher temperature increases evaporation
Higher temperature decreases evaporation
Temperature has no effect on evaporation
How does humidity affect evaporation?
High humidity increases evaporation
High humidity decreases evaporation
Humidity does not affect evaporation
Equal amounts of tea are poured into both the cup and the saucer. Which tea will cool faster?
The tea in the cup.
Tea in the saucer.
Surface area has no effect on evaporation.
What happens to the rate of evaporation if the surface area of the liquid is increased?
It increases
It decreases
It remains same
Two identical pieces of wet clothes are hung for drying. Which one will dry faster?
One hung under the fan
One hung without a fan
Both will dry at the same time.
Why does sweat evaporate faster when you sit near a fan?
The wind increases the surface area of sweat
The wind blows away the water vapor around the skin
The wind cools the skin, aiding evaporation
Evaporation will be the fastest under which of these conditions?
Still air and high humidity
Windy air and low humidity
Low temperature and high humidity
Calm air and low temperature
