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Objects Around Us and Their Material Video Lecture | Science Class 6

99 videos|261 docs|49 tests

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00:10 One object, Different materials
01:21 One material, Different objects
02:57 Right material for the object
07:30 Question 1
07:35 Different materials have different properties
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FAQs on Objects Around Us and Their Material Video Lecture - Science Class 6

1. What are some common objects around us made of different materials?
Ans. Common objects around us include paper (made of wood pulp), glass (made of sand), plastic (made of synthetic polymers), metal (such as steel or aluminum), and fabrics (such as cotton or polyester).
2. How are materials classified based on their properties?
Ans. Materials can be classified based on properties such as hardness, flexibility, conductivity, and magnetism. For example, metals are typically hard and conductive, while plastics are flexible and non-conductive.
3. Why is it important to understand the materials used in everyday objects?
Ans. Understanding the materials used in everyday objects helps us make informed choices about their use, maintenance, and disposal. It also allows us to appreciate the resources and processes involved in their production.
4. How can we determine the material of an object if it is not labeled?
Ans. To determine the material of an object without a label, you can perform simple tests such as checking the object's weight (metals are typically heavier than plastics), conducting a magnet test (metals are magnetic), or observing its behavior under heat (plastics may melt while metals may not).
5. What are some examples of objects that are made of composite materials?
Ans. Examples of objects made of composite materials include fiberglass boats (made of fiberglass and resin), carbon fiber bicycles (made of carbon fibers and resin), and reinforced concrete structures (made of concrete and steel rods).
99 videos|261 docs|49 tests
Video Timeline
Video Timeline
arrow
00:10 One object, Different materials
01:21 One material, Different objects
02:57 Right material for the object
07:30 Question 1
07:35 Different materials have different properties
More
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