Are changes important to us? Explain …
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Meghna Thapar 5 years, 9 months ago
We observe many things around us having certain properties such as its state (solid, liquid or gas). When one or more properties of a thing become different, we say it has changed or a change has taken place in it. Some important changes that we observe in our everyday life are:
There must be a cause which brings change in an object like heat, light, electricity, force. Heat causes a change in the state of solid to liquid in case of water.
All changes occurring around us can be categorized into two types – reversible and irreversible.
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