Which two kinds of energy are associated with flames?

Physics · Middle School · Mon Jan 18 2021

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The two kinds of energy that are notably associated with flames are thermal energy (heat) and light energy.

1. Thermal Energy: When a substance burns in a flame, it releases thermal energy as a result of the exothermic chemical reactions typically involving oxygen from the air and a fuel source like wood or gas. The energy is released in the form of heat, which you can feel if you're near a flame.

2. Light Energy: Along with the heat, light energy is also emitted. This is why flames are visible. The light is a result of the hot gases produced in the reaction. When particles within these gases reach a high enough temperature, they become excited and can emit light, which is a phenomenon often referred to as incandescence.