Question

conduction happens when?

Answer 1

molecules vibrate quickly bump into other molecules, which transfers heat
heat is transferred by physical touch
free electrons collide with atoms which cause faster vibrations
all of the above

Answer 2

it is important to use plastic or wood handles when cooking because they are good?

Answer 3

Conduction happens when there is a transfer of heat or electricity through a solid material or a stationary fluid. It occurs when there is a difference in temperature or electric potential between two regions, and the particles in the material or fluid collide, transferring energy from one particle to another. The conduction process allows the heat or electricity to pass through the material or fluid and equalize the temperature or electric potential between the two regions.

Answer 4

All of the above statements describe ways in which conduction occurs. Heat is transferred through conduction when molecules vibrate quickly and bump into other molecules, transferring their heat energy. Heat can also be transferred by physical touch, where objects at different temperatures come into direct contact and the hotter object transfers heat to the cooler one. In case of electrical conduction, free electrons in a material collide with atoms and transfer their kinetic energy, causing faster vibrations and thereby transferring heat energy.

Answer 5

It is generally recommended to use plastic or wood handles when cooking for several reasons:

1. Thermal insulation: Plastic and wood have relatively low thermal conductivity, meaning they do not transfer heat as readily as metal. This makes them better insulators and reduces the risk of burns when handling hot cookware.

2. Comfort and safety: Plastic and wood handles are generally more comfortable to grip and hold, providing a better grip on cooking utensils. This reduces the likelihood of accidents or dropping hot items.

3. Resistance to heat: Plastic and wood handles are less prone to heat damage compared to metal handles. They are less likely to become hot when in contact with high heat sources, reducing the risk of burns.

However, it is important to note that the choice of handle material may depend on the specific cooking utensil and its intended use. Some utensils, such as metal pans, are designed with heat-resistant handles that stay cool during cooking. Always follow the manufacturer's instructions and consider the specific requirements of the cooking utensil when choosing the handle material.