Tamil Nadu Board of Secondary EducationTamil Nadu Primary School Class 4th

Why water is a good example for all states of matter? - Science

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Answer in Brief

Why water is a good example for all states of matter?

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Solution

Water is unique because it is the only natural substance that can exist in all three states of matter at the temperatures normally found on Earth! Water is usually a liquid, but when it reaches 0° C (32° Fahrenheit (F)), it freezes into ice. (Ice is the solid-state of water.) When the water reaches 100° C (212° F), it boils.

When it begins to boil, some of the water turns into steam. (Steam is the gas state of water, and is also called water vapour.) When steam comes into contact with cool air (which reduces energy), it can condense back into water droplets (liquid again). Those water droplets could then freeze into (solid) ice.

Concept: Change in State of Water
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APPEARS IN

Samacheer Kalvi Science Term 2 - Class 4th Tamil Nadu State Board
Chapter 2 Water
Try to Answer | Q 1 | Page 71
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