burned foods

Is A Marshmallow Over A Fire Radiation?

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Is A Marshmallow Over A Fire Radiation? There are two main processes that heat a marshmallow: absorption of campfire radiation (photons) and contact with very hot air rising off the fire (convection). If we place the marshmallow directly above the fire, we get both. What does radiation do to a marshmallow? This is an observation

Is Burning Butter A Chemical Change?

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Is Burning Butter A Chemical Change? No change in the chemical composition occurs when it is melted. Thus, melting of butter is a physical process because the physical appearance of the butter changes, the change is visible to eyes, the change can be reversed and no chemical change occurs. Is burning butter a physical or