2 Answers. This is an example of heat transfer by
conduction
.
When you place a metal spoon in a cup of hot coffee it becomes warm over time as a result of?
a metal spoon becomes hot when it's placed on a hot cup because as we know that
metals are good conductor of heat
. as a result, it will become hot when it's placed on something hot…
What happens when you put a metal spoon in hot water?
Metals are generally good conductors of heat. …
The rapidly moving molecules in the boiling water bump the molecules in the metal spoon
. This bumping transfers kinetic energy to the molecules that make up the spoon, causing them to vibrate faster.
When a metal spoon is put into a hot cup of tea and the handle of the spoon gets hot is an example of?
Conduction
is the transfer of kinetic energy from one molecule to another by molecular collision. Conduction occurs, for example, when a metal spoon is put into a hot cup of tea and the handle of the spoon gets hot.
When hot coffee is stirred with a spoon the spoon gets hot because of what?
Hot coffee is stirred with a spoon, the spoon gets hot due to
conduction
. Explanation: The spoon and the coffee are touching; the coffee gives heat to the spoon. side of the chair facing the fireplace gets warm because of radiation.
How is a spoon being heated in a hot cup of coffee?
Heat leaves the coffee cup as
the currents of steam and air rise
. Convection is the transfer of heat energy in a gas or liquid by movement of currents. … For example, a spoon in a cup of hot soup becomes warmer because the heat from the soup is conducted along the spoon.
Does leaving a metal spoon in a hot drink make it cool faster?
A metal spoon in a cup of tea will act as a radiator, conducting heat to the air. If you stir it as well, you are bringing the hotter liquid from the centre of the cup to the edges, where
it can cool faster
. … The fastest way to cool your tea down is to add a bit more milk, or a splash of cold water.
Can a metal spoon melt?
Can a metal spoon melt? It'
ll melt in your hand
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Why would a wooden spoon stop a cook burning their fingers?
When something hydrophobic (i.e. unable to absorb water)
punctures the surface of a bubble
, it subsides. A dry wooden spoon destabilizes the bubbles when they come into contact with its water-repelling surface. This makes the boiling water retreat.
Why does a metal spoon get hot and a wooden spoon doesn t?
As a result of the collision between the water particles and spoon particles, the particles of
the spoon begin to move faster
and the metal spoon becomes hotter. … Metal is a good conductor of heat, while wood and plastic are good insulators.
Why does a metal spoon left in a bowl of hot soup become warm?
Explanation:
Some of the heat energy from the water is transferred to the metal by the direct contact of the water molecules with the metal molecules of the spoon
.
Which type of heat transfer happens when a metal teaspoon gets hot in a scalding cup of tea?
Conduction
is the transfer of thermal energy between objects that are touching. In the teaspoon example, the particles of the tea are touching the particles of the metal spoon, which in turn are touching each other, and this is how heat is conducted from one object to the other.
Why does the end of a metal left in a frying pan become hot?
You might have observed that a frying pan becomes hot when kept on a flame. It is
because the heat passes from the flame to the utensil
. When the pan is removed from the fire, it slowly cools down. … The heat is transferred from the pan to the surroundings.
What conditions are necessary for heat transfer?
The factor or condition that is necessary for heat transfer to occur is that
two object ‘must have different temperature'
. Heat always flow or move from the hotter object to the cooler one. … Heat Transfer can occur in three ways: Conduction, Convection, and Radiation.
Does warm air rises because of convection?
Convection. When a fluid such as air or water touches a hot object, it can heat up and then move in bulk as a fluid, thereby carrying the heat quickly to new locations. Hot air rising is a common example of
heat convection
.
Which type of heat transfer happens between the flat iron and the clothes?
The primary method of heat transfer when ironing clothes is
conduction
. The iron heats up very quickly because it is metal, which is a good conductor….
