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Introduction to Matter Video Lecture | Science Class 5

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FAQs on Introduction to Matter Video Lecture - Science Class 5

1. What is matter?
Ans. Matter is anything that has mass and takes up space. It can be in the form of solids, liquids, or gases.
2. What are the properties of matter?
Ans. The properties of matter include mass, volume, density, and physical state (solid, liquid, or gas). Other properties include color, odor, texture, and conductivity.
3. What is the difference between a solid, liquid, and gas?
Ans. A solid has a definite shape and volume, a liquid has a definite volume but takes the shape of its container, and a gas has neither a definite shape nor volume and fills the entire space available to it.
4. Can matter be created or destroyed?
Ans. According to the law of conservation of mass, matter cannot be created or destroyed, it can only change forms. This means that in any chemical or physical reaction, the total mass of the substances involved remains constant.
5. How can matter undergo changes?
Ans. Matter can undergo changes through physical and chemical processes. Physical changes do not alter the composition of matter and include changes in state, shape, or size. Chemical changes, on the other hand, result in the formation of new substances with different properties.
44 videos|204 docs|45 tests

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