MEDIUM
Earn 100

A glass of ice water is put in an airtight container as shown below:

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(a) After a short while, state whether the air in the container will contain less water vapour or more water vapour?
(b) Give the reason for your answer.

Important Questions on A Journey Through States of Water

EASY
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
Water vapour becomes cool as it rises up in the air.
EASY
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
Name the tiny ice crystals formed by freezing of dew or surface water.
MEDIUM
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?

Define precipitation.

MEDIUM
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
From which of these water sources - Pond, well or groundwater - will there be the most evaporation? Explain your answer in your notebook.
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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?

Explain how the following statement may be proven.

Air contains water vapour. Water vapour condenses when it cools.

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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
How will you change ice to water vapour?
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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
Hail is a solid-state of water.
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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?

Read the paragraph and select the correct answers.
Early in the morning, you may find dewdrops on leaves and grass. When the Sun rises, the dewdrops disappears.

Where does the dew come from? 

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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
  What is meant by evaporation?
EASY
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?

Look at the picture given and write two Iines about it.

 

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MEDIUM
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
Does evaporation from a lake stop totally after sunset? Why or why not?
MEDIUM
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
What is condensation?
EASY
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
Define evaporation. What are the factors that affect the rate of evaporation?
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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
Fill in the blank with the words given in the bracket.
The process of changing water vapour into water is called _____. (condensation/ evaporation)
MEDIUM
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
When it does not rain on a cloudy day, does it mean that the clouds do not contain water vapour? Why or why not?
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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
How are clouds formed?
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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
Distinguish between evaporation and condensation.
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Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
When we look at pictures of people who live in deserts, we see that they wear long, loose robes. Why do you think they wear these? What do the robes protect them from?
MEDIUM
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
What would happen if evaporation did not take place at all? (Hint: Recall the process of evaporation and its uses.)
HARD
Science>Chemistry>A Journey Through States of Water>How Do Clouds Give Us Rain?
How can you demonstrate transpiration in plants?