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प्रश्न
Give a reason why
Change of seasons is a periodic change while the change of weather is a non-periodic change.
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उत्तर
Change of season is periodic change as it occurs at regular intervals. Change of weather is non-periodic change because it does not occur periodically at regular intervals. Weather can change suddenly and it may rain in the evening.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Melting of butter in a pan
State three differences between evaporation and boiling
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
Give the main differences between physical changes and chemical changes.
Define a chemical change. Give two examples of the above changes.
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
Natural changes which take place in nature on their own, are beyond the control of human being.
Analogy:
Melting of ice: Physical change.
Popping of popcorn: ______.
