Flash Cards
1/19
What are the three states of water?
The three states of water are solid (ice), liquid (water), and gaseous (water vapour).
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2/19
What is melting?
Melting is the process of converting a solid into a liquid by adding heat.
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What is freezing?
Freezing is the process of converting a liquid into a solid by removing heat.
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What is evaporation?
Evaporation is the process of converting a liquid into its gaseous state (water vapour).
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What is condensation?
Condensation is the process where water vapour cools and turns into liquid water droplets.
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What is the water cycle?
The water cycle is the continuous movement of water through evaporation, condensation, and precipitation.
7/19
How does ice behave compared to water?
Ice retains its shape and does not flow, whereas water takes the shape of its container and flows.
8/19
Is water vapour visible?
Water vapour is usually invisible, but water droplets in steam make it visible.
9/19
Can you give an example of evaporation?
Examples include drying wet clothes or water disappearing from puddles.
10/19
What causes the cooling effect in earthen pots?
Water evaporates through the pot's surface, which cools the water inside.
11/19
What factors affect evaporation rate?
Temperature, surface area, and air movement affect how fast water evaporates.
12/19
What happens to an ice cube left at room temperature?
The ice cube melts and turns into liquid water.
13/19
How do solid and liquid states differ in shape?
A solid retains its shape, while a liquid assumes the shape of its container.
14/19
Why do droplets appear on the outside of a cold glass tumbler?
Droplets form due to condensation of water vapour in contact with the cold surface.
15/19
Does water seep through a steel plate?
No, water does not seep through steel; it evaporates into water vapour.
16/19
Where does water go when puddles disappear?
Water evaporates into the atmosphere as water vapour.
17/19
What happens when heat is supplied to ice?
Ice melts into water when heat is added.
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What happens when heat is removed from water?
Water freezes into ice when heat is removed.
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What happens to the weight of water on a balance with condensation?
The weight remains the same despite condensation on the glass surface.
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