Yes, heating a pot over a stove is an example of conduction. As the stove heats the bottom of the pot, the heat is transferred through the pot's material. Roasting marshmallows over a campfire would also be an example of conduction, as the heat from the fire is transferred directly to the marshmallows.
Roasting marshmallows over a campfire is an example of radiant heat. The heat is transferred from the fire to the marshmallow through electromagnetic waves.
By colored fire I assume you mean a fire colored with a product or chemical. If so then yes it is harmful to ingest marshmallows roasted over said fire. The chemicals in said product/chemical compound can cause irritation of mouth, esophagus and gastric system.
CROAOF would stand for Chestnuts Roasting Over an Open Fire.
...chesnuts roasting on an open fire....
the sugar in the marshmellows can catch fire
Chipmunks Roasting On an Open Fire was created in 2000.
Chestnuts were roasting over an open fire.
THE CHRISTMAS SONG (Chestnuts Roasting on an Open Fire)
Roasting over a free fire (the fire spits out burnt little pieces of wood)
Simpsons Roasting on an Open Fire was created on 1989-12-17.
Are marshmallows alive? if so, you'd be a billionaire for discovering that..