Heat is thus progressively taken from the indoor air and moved out of the building.In a heat pump, this same process occurs during the summer.
Indoors in the summer) a coil filled with refrigerant meets the warm air.
The refrigerant is allowed to go from a liquid to a gaseous state, and in so doing it absorbs heat energy from the ambient surrounding air.
There is no evidence of the edge strategy in the moves by Olivia in this video segment.
A careful reading of the action transcript will reveal other strategies that represent the children’s high level thinking.
A heat pump is a device that combines the functions of both heating and cooling into a single unit.