Metabolism
The biochemical reactions in living organisms that are necessary to maintain life.
Glossary
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Fluorescent
A substance that absorbs light at one wavelength and re-emits the energy as light at another wavelength.
Glossary
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Combustion
A chemical reaction between a fuel and an oxidising agent that produces heat, and often light.
Glossary
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Active transport
The use of energy to move particles across a cell membrane from a lower concentration to a higher concentration.
Glossary
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Complete combustion
A combustion reaction in which all of the products are fully oxidised and the maximum amount of energy is released.
Glossary
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Spontaneous emission
The process in which an atom or molecule produces a photon of light.
Glossary
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