What is the difference between condensation and precipitation? What is common about these two processes?
Important Questions on Air and Water
_____ may fall as hail stones, drizzle or sleet.
Describe the water cycle? Do you think that any one part of the water cycle is more important than the other? Explain.
Can ice cubes be changed directly into water vapour? Support your answer with a suitable explanation.
Jisha is a scuba diver. She carries a cylinder with her whenever she goes for diving. What does the cylinder contain and why does Jisha need to carry it?
Nina took out a glass of cold water from the refrigerator for drinking. The glass was very cold, so she kept it aside. After some time, she observed that a lot of water drops had appeared on the outer side of the glass. She thought that the glass was broken and the water had leaked out. Do you agree with her? Where do you think the water drops had come from?
