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.
Roasting marshmallows over a campfire is an example of radiant heat. The heat is transferred from the fire to the marshmallow through electromagnetic waves.
Chestnuts Roasting on an Open Fire
a metal stick with a handle will do just fine!
When you put marshmallows in a fire, it is often referred to as "toasting" or "roasting" marshmallows. This popular activity typically takes place during camping trips or outdoor gatherings, where people skewer marshmallows on sticks and hold them over an open flame until they become golden brown and gooey. Roasted marshmallows are commonly used to make s'mores, a sweet treat that combines them with chocolate and graham crackers.
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.
Pine cones are not inherently poisonous, but burning them in a fire pit can release harmful compounds and toxins found in the resin and sap. Additionally, some pine species contain substances like turpentine that can produce irritating smoke. It’s best to use firewood specifically intended for burning and to avoid using pine cones for roasting marshmallows to ensure safety and better flavor.
the sugar in the marshmellows can catch fire
...chesnuts roasting on an open fire....
Chipmunks Roasting On an Open Fire was created in 2000.
Roasting over a free fire (the fire spits out burnt little pieces of wood)
THE CHRISTMAS SONG (Chestnuts Roasting on an Open Fire)
Chestnuts were roasting over an open fire.