A Journey through States of Water
CBSE · Class 6 · Science
Summary of A Journey through States of Water for CBSE Class 6 Science. Key concepts, important points, and chapter overview.
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Overview
Water exists in three states: solid as ice, liquid as water, and gas as water vapour. It changes its state by heating or cooling and shows different properties in each form. Evaporation, condensation, melting, and freezing explain many everyday events such as drying clothes, water drops on a cold gl
Key Concepts
Water exists as ice in solid
Water exists as ice in solid state, as water in liquid state, and as water vapour in gaseous state. These are three states of the same substance.
The process of conversion of water
The process of conversion of water into its vapour state is called evaporation. It happens continuously, even at room temperature.
The process of conversion of water
The process of conversion of water vapour into its liquid state is called condensation. It happens when water vapour touches a cold surface.
The process of conversion of
The process of conversion of a solid into liquid state is called melting. The process of conversion of liquid into solid state is called freezing.
Ice keeps its shape and does
Ice keeps its shape and does not flow. Water flows, changes shape, and keeps a constant volume. Water vapour spreads out in all available space and ha
Learning Objectives
- Understand that ice and water are two forms of the same substance
- Identify the solid, liquid, and gaseous states of water
- Explain evaporation and condensation using daily examples
- Describe melting and freezing as changes of state caused by heating or cooling
- Recognise factors that affect the speed of evaporation
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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