Cold

Degrees

Energy

Exact differential

Fieriness

First law of thermodynamics

Heat up

Heating

Hot up

Hotness

Ignite

Internal energy

Joule

Latent heat

Overheat

Passion

Preheat

Reheat

Scald

Sear

Specific heat

Steam heat

Temperature

Thermodynamics

Torridity

Warmth

Work