Class 6 Science — Chapter 8: A Journey through States of Water

What you'll learn

• ▸The Three States of Water
• ▸Evaporation
• ▸Condensation
• ▸Interconversion of States: Melting
• ▸Properties of Water Vapour and Steam
• ▸Scientific Inquiry and Evidence

Chapter Summary

--- PAGE 1 --- Chapter 8 A Journey through States of Water “ நெடுங்கடலும் தன்நீர்மை குன்றும் தடிந்தெழிலி தான்நல்கா தாகி விடின் (திருக்குறள்) If it does not rain well, even the mighty ocean will be drained. (Thirukkural) ” 0677CH08 On a bright summer afternoon, Aavi and Thirav enjoy their shikanji (lemonade). After looking at the ice in the lemonade, Thirav wonders about the nature of ice and water. Ice feels hard to touch and we can hold it in our hands, whereas, water cannot be held in the same way. So, they must be different substances. No, these are the same substances. Aavi has a counterview to Thirav. What do you think? Why? We can put water in the freezer of a refrigerator and check if it gets converted into ice. Yes, I know when water is left in the freezer, it gets converted into ice but probably something gets added to the ice in the freezer. Do you think Thirav is right? How can you find out? Reprint 2025-26 --- PAGE 2 --- Activity 8.1: Let us observe - Put an ice…

Practice Questions from this Chapter

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1. Explain why ice floats on water. Get Solution →
2. Describe how clouds form in the sky. Get Solution →
3. Illustrate water's three main states. Get Solution →
4. What is the process called when water changes into its vapor state? Get Solution →
5. According to the text, what is the solid state of water commonly known as? Get Solution →
6. What is the process of converting water vapor back into its liquid state called? Get Solution →
7. Which of the following is an example of evaporation mentioned in the chapter? Get Solution →
8. What happens to the shape of an ice cube when it is moved from a cup to a bowl? Get Solution →

Did you know?

• 💡 Most of Earth's fresh water is frozen in glaciers and polar ice caps.
• 💡 A jellyfish's body is made up of more than 95 percent water.
• 💡 Hot water can sometimes freeze faster than cold water, called the Mpemba effect.
• 💡 The amount of water on Earth today is the same as billions of years ago.
• 💡 Pure water vapor is invisible; clouds and steam are tiny liquid water droplets.

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