The temperature of the object will provide this information.
Temperature tells what degrees it is like how hot or cold something is
A thermometer can be used to measure the temperature of an object or environment, indicating how hot or cold it is.
usually the hot will be steaming so you know that is hot and what is not steaming could be cold
endothermic is when something changes from to hot to cold and ectothermic is when something changes from cold to hot.
How hot or cold something is.
Thermometer
Thermometer
Heat flow determines how hot or cold something feels when you touch it.
temperature
An instrument that is used by people to determine how hot or cold they are is called a thermomenter. A person may need to check their temperature if they feel they are running a fever.
Can you tell me in winter is Jamaica hot or cold
Cold war no bullets fly, hot war everything flies.