PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following questions:
1. Which of the following are matter?
Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.
Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.
Love, smell, hate, though, and cold are not the category of matter. The is not considered a state of matter. However, the smell or odour of a is classified as matter.
2. Give reasons for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food, you have to go close.
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food, you have to go close.
At lower , particles in cold food have low kinetic energy. At higher temperatures, particles have high and move faster; hence, this smell of hot sizzling food reaches you several meters away, but you have to go close to get the smell from cold food.
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