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Conduction of Heat in Metals Video Lecture | Science (Curiosity) Class 7 - New NCERT
FAQs on Conduction of Heat in Metals Video Lecture - Science (Curiosity) Class 7 - New NCERT
| 1. What is conduction of heat in metals? |  |
Ans.Conduction of heat in metals is the process by which heat energy is transferred through a metal material. This happens when fast-moving particles in the metal collide with slower-moving particles, transferring kinetic energy and thus heat.
| 2. Why are metals good conductors of heat? | |
Ans.Metals are good conductors of heat because they have free electrons that can move easily through the metal structure. These free electrons allow for quick transfer of thermal energy, making metals much more efficient at conducting heat than non-metals.
| 3. Can all metals conduct heat equally? | |
Ans.No, not all metals conduct heat equally. Some metals, like copper and aluminum, are excellent conductors of heat, while others, like lead, are much poorer conductors. The efficiency of heat conduction depends on the atomic structure and bonding of the metal.
| 4. What are some everyday examples of heat conduction in metals? | |
Ans.Some everyday examples include cooking utensils like frying pans, where heat from the stove is conducted through the metal to cook food. Another example is metal handles on pots, which can get hot when the pot is heated due to heat conduction.
| 5. How does heat conduction in metals differ from heat conduction in non-metals? | |
Ans.Heat conduction in metals differs from non-metals primarily because metals have free electrons that facilitate rapid energy transfer. In contrast, non-metals rely on vibrations of their molecules to transfer heat, which is much slower and less efficient than the conduction process in metals.
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