Emily made a cup of tea and stirred it with a spoon. The spoon became warm. How was the heat from the tea transferred to the spoon?
Question
Emily made a cup of tea and stirred it with a spoon. The spoon became warm. How was the heat from the tea transferred to the spoon?
Solution
The heat from the tea was transferred to the spoon through a process called conduction. Here's how it works:
-
Emily pours hot tea into a cup. The tea is at a higher temperature than the spoon.
-
She then places the spoon in the hot tea. The part of the spoon submerged in the tea comes into direct contact with the hot liquid.
-
Heat energy from the hot tea particles is transferred to the cooler spoon particles they come into contact with. This is conduction, where heat is transferred through a solid (or between a solid and a liquid/gas in direct contact) from a region of high temperature to a region of low temperature.
-
As more and more heat energy is transferred from the tea to the spoon, the spoon's temperature increases and it becomes warm to touch.
-
The spoon will continue to get warmer until it reaches the same temperature as the tea, at which point heat transfer will stop because there is no longer a temperature difference.
Similar Questions
A cup of hot chocolate has a spoon in it. How does the heat move from the hot chocolate to the metal spoon handle?A It moves through conduction, because heat is transferred directly from the hot chocolate to the spoon.B It moves through convection, because heat is transferred directly from the hot chocolate to the spoon.C It moves through conduction, because heat is transferred through density differences.D It moves through convection, because heat is transferred through density differences
Meg visited her Aunt Clare for lunch. After they ate, Aunt Clare made tea. She put the same amount of black tea and milk in both their cups, but Meg decided to add some extra milk to hers. Which cup of tea was darker after they had finished adding milk?
A cold metal spoon is placed in a bowl of hot soup. Identify which of the following statements is correct. Thermal energy is transferred from the soup to the spoonThe particles in the spoon are moving faster than the particles in the soupThermal energy is not transferred between the soup and the spoonThermal energy is transferred from the spoon to the soup
How heat is transferred?*
Question 9Nelson places a stainless steel spoon in a cup of hot coffee, as shown in the picture.How does the motion of the atoms in the spoon change when the spoon is placed in the hot coffee?A The atoms vibrate faster due to the conduction of heat through atoms in the spoon.B The atoms vibrate slower due to the conduction of heat through atoms in the spoon.C The atoms move closer toward each other due to the radiation of heat through atoms in the spoon.D The atoms move away from each other due to the convection of heat through atoms in the spoon.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.