Heat is a form of (1)
that always transfers from one object or
place to another. Transfer of heat will take place when there is a difference in
temperature between two objects Naturally, heat flows from (2)
object. Heat transfer will stop once the two objects reach the
same temperature,
There are three methods of heat transfer. Heat transfer is easiest in solid
objects when they are in direct (4)
with each other. This method of
heat transfer is known as (5)
When liquids and gases are heated, they become less dense. Less
dense materials will (6)
When these materials are cooled down, they
become denser. Denser materials will (7)
The rising and sinking of
hot and cold fluids is a method of heat transfer known as (8)
Heat can also be transferred even without the presence of solid and fluid
materials. Heat can be transferred in empty space in the form of
electromagnetic (9)
This method of heat transfer is known as
(10)​