6th Class Science Rain: Where Does It Come From?
Question And Answer
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Q1. How are clouds formed explain?
A. Clouds are created when water vapor an invisible gas, turns into liquid water droplets. These water droplets form on tiny particles, like dust that is floating in the air.
Q2. In which form does the water from clouds reach the earth?
A. Liquid
Q3. When do clouds become cool?
A. The clouds become cool when the air hits the clouds in the atmosphere the temperature of the atmosphere is cooler than on the earth. As we go to a higher level in the atmosphere, the atmosphere is cooler less traffic and less pollution.
Q4. Explain the relationship between the heat of the Sun and evaporation.
A. In the water cycle evaporation occurs when sunlight warms the surface of the water the heat from the sun makes the water molecules move faster and faster until they move so fast to escape as gas particles.
Q5. Why do we experience cloud-like smoke near our mouths while we speak during the winter season?
A. as you slowly open your mouth up of cloth smoke billows out as the humid air from your mouth cools down, it losses its ability to hold the water vapor which condenses into tiny water droplets, just like a cloud.
Q6. Correct the given sentence if necessary.
"If the size of water drops decrease in the clouds, they can no longer hold the water drops."
A. The above-given statement is wrong. the correct statement is as follows...
"If the size of water drops increase in the clouds, they can no longer hold the water drops."
Q7. Which of the following days is more suitable for drying washed clothes? Explain why?
(a) Windy Day. (b). Cloudy Day.
A. Windy Day is suitable for drying washed clothes. Because the wind carries the water away from the wet clothes.
Q8. Which of the following statements are right or wrong.
a) Evaporation takes place quickly when more heat is supplied.
Correct.
b). For condensation of water, it should be cooled.
Correct.
c). Water vapor is obtained from water by evaporation.
Correct.
Q9. Draw a diagram that explains the water cycle.
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