Class 7 Exam > Class 7 Videos > Science Class 7 > Conduction of Heat Detail
Conduction of Heat Detail Video Lecture | Science Class 7
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FAQs on Conduction of Heat Detail Video Lecture - Science Class 7
| 1. What is conduction of heat? |  |
Ans. Conduction of heat is the transfer of heat energy through direct contact between particles of matter. In this process, heat is transferred from a region of higher temperature to a region of lower temperature.
| 2. How does conduction of heat occur? | |
Ans. Conduction of heat occurs when particles in a solid material collide with each other, transferring energy from the hotter particles to the cooler ones. This transfer of energy continues until thermal equilibrium is reached.
| 3. What are some examples of conduction of heat? | |
Ans. Some examples of conduction of heat include touching a hot stove and feeling the heat transfer to your hand, using a metal spoon to stir a hot cup of tea and feeling the spoon heat up, or heating one end of a metal rod and observing how the other end also becomes hot.
| 4. What factors affect the rate of conduction of heat? | |
Ans. The rate of conduction of heat is influenced by several factors, including the type of material, the temperature difference between the objects, the cross-sectional area of the material, and the length of the conduction path. Materials with high thermal conductivity, such as metals, conduct heat more efficiently.
| 5. How does insulation reduce conduction of heat? | |
Ans. Insulation reduces conduction of heat by trapping air pockets within its structure, which hinders the transfer of heat through direct contact between particles. This is achieved by using materials with low thermal conductivity, such as foam, fiberglass, or wool. Insulation helps to maintain a stable temperature and prevent heat loss or gain in buildings or other systems.
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Video Description: Conduction of Heat Detail for Class 7 2025 is part of Science Class 7 preparation.
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