F1: 2.1-2.3

______ decreases the rate of evaporation.

• condensation

• increase in humidity

• evaporation

• presence of wind

______ increases the rate of evaporation.

• condensation

• increase in humidity

• evaporation

• presence of wind

______ leads to formation of water droplets in clouds.

• condensation

• increase in humidity

• evaporation

• water cycle

______ of water leads to formation of water vapour.

• condensation

• increase in humidity

• evaporation

• water cycle

______ is driven by the energy from the Sun.

• condensation

• increase in humidity

• evaporation

• water cycle

Which of the following statements about water cycle is correct?

• Water droplets from the ground condense to form clouds in the sky.

• Convection current pulls the clouds to the ground as rain.

• Water droplets in the clouds join together to form larger droplets and fall down to the ground as rain.

• Water droplets in the sky are heated and condense to form cloud.

What of the following is the correct sequence of water cycle?

• condensation --> evaporation --> raining --> cloud formation

• raining --> condensation --> evaporation --> cloud formation

• evaporation --> condensation --> cloud formation --> raining

• evaporation --> raining --> cloud formation --> condensation

Wet clothes dry more quickly at

• a bathroom with windows closed.

• a balcony with sunlight and wind.

• a balcony with sunlight but without wind.

• a bathroom with windows opened.

Wet hair can be dried by hair dryer because hot wind from a hair dryer

• increase the rate of evaporation.

• decrease the rate of evaporation.

• decrease the rate of condensation.

• increase the rate of condensation.

Which of the following condition can reduce the rate of evaporation of a wet towel?

(1) The air is moving.

(2) The humidity is high.

(3) The towel is folded up.

• (1) and (2) only

• (1) and (3) only

• (2) and (3) only

• (1), (2) and (3)