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Answered

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why does the temperature increases when there is heat?
A.the moiecules are getting closer
B. the volume of an object increases
C.the particles of an object are moving faster.
D.none of the above​

Sagot :

miilkthea

HEAT

QUESTION

why does the temperature increases when there is heat?

ANSWER

  • C. The particles of an object are moving faster.

Heat

Heat or thermal energy is the energy from the movement of tiny particles in matter.

All matter is made up of tiny particles which are in constant motion. Their constant movement produces energy. The sum of the energies from the moving molecules in an object is its thermal energy.

This thermal energy can be transferred to another object. The energy in transit is called heat. When heat is absorbed, it turns into thermal energy.

When you dip a metal spoon in a cup of hot coffee, heat from the water is transferred to the spoon. As the spoon absorbs heat, its tiny particles vibrate faster and increase their energies.

The energy from the movement of tiny particles will depend on how much heat was absorbed. A higher average energy from the movement of the particle also means a higher temperature. Note that heat flow is determined by temperature. Heat always moves from an object of high temperature to an object of lower temperature. Heat flow will stop once the two objects are the same temperature.

Here are some example:

  • Water molecules move faster when boiled.
  • Heat from the coffee is transferred to the spoon.

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