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One Shot: Matter in our Surroundings Video Lecture | Science for Super TET

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FAQs on One Shot: Matter in our Surroundings Video Lecture - Science for Super TET

1. What is matter?
Ans. Matter is anything that occupies space and has mass. It can exist in three states - solid, liquid, and gas. Examples of matter include water, air, and rocks.
2. What are the properties of matter?
Ans. Matter has certain properties that help us classify and identify it. These properties include mass, volume, density, and physical and chemical properties. Mass is the amount of matter in an object, volume is the amount of space it occupies, density is the mass per unit volume, and physical properties include color, shape, and texture.
3. What is the difference between solids, liquids, and gases?
Ans. Solids have a definite shape and volume, with particles closely packed together. Liquids have a definite volume but take the shape of their container, with particles more loosely packed. Gases have neither a definite shape nor volume, with particles widely spread apart.
4. How does matter change its state?
Ans. Matter can change its state through heating or cooling. When a solid is heated, it melts and becomes a liquid. Further heating causes the liquid to evaporate and become a gas. Cooling a gas causes it to condense into a liquid, and further cooling leads to solidification.
5. What is the importance of studying matter in our surroundings?
Ans. Studying matter in our surroundings helps us understand the properties and behavior of different substances. It allows us to comprehend various natural phenomena, such as the water cycle, and enables us to make informed decisions about the use and conservation of resources. Additionally, knowledge of matter is essential in fields such as chemistry, physics, and engineering.
59 videos|118 docs|73 tests
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