form of direct heat transfer.  Heat travels from one particle to another particle of solids

transfer of heat through circulation, liquids and gases transfer heat this way.

when water is heated, it ___________

when water is cooled, it _______

it is a method of heat transfer that does not need direct contact between the heat source and the heated object.

flat iron removes wrinkles in clothes through ___________

the meat inside the microwave oven is cooked because of _________

these objects allow light to pass through

objects that allow some light to pass through

materials that completely block sunlight