Question

give one example of a physical change in which (i) energy is given out (ii) energy is absorbed

Answer 1

Fistly there are many physical changes in which energy is given out and energy is absorbed ... for ex- 1-when we rub two stones it gets hotter nd hotter by rubbing and due to friction it produces heat energy.
2- All the plants absorb sunlight .. this is the example of absorbed energy

Answer 2

Answer:

1. Energy is given out- burning of candle
2. Energy is absorbed- melting of ice

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