Types of Light

Front

A range of frequencies on the electromagnetic spectrum

Back

Light

Front

The part of the EM spectrum that we can actually see

Back

Visible Light

Front

Light caused by heat production

Back

Incandescent Light

Front

Light given off by objects that have not been heated

Back

Luminescent Light

Front

A substance absorbs UV light and converts it into visible light. Example: objects that glow under a black light

Back

Fluorescence

Front

A substance absorbs UV light and converts it into visible light, but there is a delay in both starting and stopping the glow when exposed to the UV light. Example: glow-in-the-dark objects

Back

Phosphorescence

Front

Light is created when two or more substances are mixed together, triggering a chemical reaction. Example: glowsticks

Back

Chemiluminescence

Front

The production of light by living organisms. Example: fireflies

Back

Bioluminescence

Front

An object gives off light as electricity passes through it, but doesn't create noticeable heat. Example: LED lightbulbs

Back

Electroluminescence