Class 6 Science A Journey through states of water
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Q: What is evaporation?
A: The process of conversion of water into its vapour state.
Q: What is condensation?
A: The process of conversion of water vapour into its liquid state.
Q: What are the three states of water?
A: Solid, liquid, and gas.
Q: What causes water to change its state?
A: Heating or cooling.
Q: What is the water cycle?
A: The circulation of water between the Earth’s surface and atmosphere.
Q: How are clouds formed?
A: Water vapour condenses around dust particles in the air.
Q: What is the process of a solid changing to a liquid called?
A: Melting.
Q: What is the process of a liquid changing to a solid called?
A: Freezing.
Q: Why do clothes dry faster on a windy day?
A: Increased air movement accelerates evaporation.
Q: What is humidity?
A: The amount of water vapour in the air.
Q: How does an earthen pot keep water cool?
A: Water seeps through and evaporates, causing a cooling effect.
Q: What forms when many water droplets in clouds join together?
A: Rain.
Q: What are the three states of water and how do they differ?
