What does heat measure?

Answer 1

Heat can relate to many things.

In particular we think about heat as in relating to a predefined scale.

This scale can be

Kelvin (as in absolute temperature or energy level)

Degrees Celsius (as in relation to its point of zero, melting point of ice)

Degrees Fahrenheit (as in its relation to zero where Ice mixed with salt does no longer melt)

Other scales can apply. We can make our own scale, say melting point of Mercury and use this as the reference for Zero and say that the boiling point of Mercury to be a second point. Then we just state how many "degrees" or "Mercuries" there is to be between them.

The important thing is the relation.

We use math in relation to the scale we apply to any question.

Measured heat will then be true to the applied scale but it will also be true to all other scales if we convert between them. This can easily be done with math.

Math as in dealing with percentages is however only true on the one scale we apply it on.

Example:

10 degrees Celsius and add 10% makes 11 degrees Celsius.

10 degrees Fahrenheit and add 10% makes 11 degrees Fahrenheit.

We can however not claim the rise in temperature for Celsius and Fahrenheit to be the same because each unit of Fahrenheit is smaller than each unit of Celsius.

One unit of Fahrenheit is only 5/9 of a unit in Celsius.

However:

10 Kelvin and add 10% makes 11 Kelvin.

In this example the rise in temperature is the same as the rise in temperature of Celsius.

This because each unit in Kelvin is identical to each unit in Celsius.

A rise in temperature of 20 degrees Celsius is the same as a rise in temperature of 20 Kelvin. Simply because the units are Identical.

Zero Kelvin is however -273,16 degrees Celsius.

The general rule is to do the math only with the scale that applies. Mixing them will be wrong and in absolutely most questions lead to a wrong answer.

Science as such will normally only use Kelvin, but this is for Science.

We do not convert to Kelvin before doing math and then revert to either Celsius or Fahrenheit showing the result if the question at hand does not ask us to do so.

Answer 2

According to the Wikipedia article on heat, "In physics, chemistry, engineering, and thermodynamics, a quantity of heat is an amount of energy produced or transferred from one body, region of space, set of components, or thermodynamic system to another in any way other than as work."

Please refer to the related link below to see the entire article.

Answer 3

It's a term for being READY to mate.


In a state of sexual excitement immediately preceding ovulation. For example, Our cat's in heat so we have to keep her inside

. This expression applies to most female mammals and indicates the period when the animal is fertile and most receptive to mating.


hope this helps and enjoy your studies

Answer 4

heat is energy associated with the motion of attoms and its measued in joules

Answer 5

celsius

Answer 6

ya mum