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This substance is called luciferin.
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Is a firefly emitting light chemical or physical change?
That would be a chemical change because the firefly produces a bio-luminescent chemical. This chemical produces light which you see when the fire fly lights up!
Only the sun and chemical changes produce light?
Only if you include heat (magma, meteors, light bulbs), charged particles (lightning, aurora) and electroluminescence (LED) under "chemistry". None of these produce light by what we normally think of as a chemical reaction.
Do most of the chemical reactions that give off light also produce heat?
Yes.
How does chemiluminescent immunoassay work?
Chemiluminescent molecules produce light when they are excited by chemical energy. These emissions are measured by a light detector
When a firefly emits light is that a physical or chemical change?
Both: The light is produced by organs on the underside of the abdomen and consist of several layers of reflector cells and a lower layer of light-producing cells. These are permeated by nerves and air tubes which supply oxygen to oxidize (with the aid of an enzyme called luciferase) the cell product luciferin.
What is the chemical substance found in a firefly?
Luciferin, a protein that reacts with oxygen to produce light.
What chemical is in a firefly's body to help it produce light?
This chemical is luciferin.
How does firefly produce light?
Light production in fireflies is due to a type of chemical reaction called bioluminescence. This process occurs in specialised light-emitting organs, usually on a firefly's lower abdomen. The enzyme luciferase acts on the luciferin, in the presence of magnesium ions, ATP, and oxygen to produce light.
What animals produce its own light?
A firefly!
What special ability of a firefly?
To produce light
What are 3 sources of energy that can cause light emissions?
Chemical energy will produce the light in a firefly, or in a hand-held glow tube. Electrical energy will produce the light in a light bulb. Heating something up to a high enough temperature will produce light. Burning a material may produce light.
Is a firefly emitting light chemical or physical change?
That would be a chemical change because the firefly produces a bio-luminescent chemical. This chemical produces light which you see when the fire fly lights up!
What is the main purpose of the chemical light in the abdomen of a firefly?
The male firefly uses it to attract female fireflies.
Is a firefly an example of direct light or indirect light?
Direct. It is a chemical reaction.
Is a firefly giving off light a chemical or physical change?
It's not a change at all. It is simply what the firefly does. But it is a result of a chemical change within the firefly. A chemical reaction involves a transfer of energy. In this case, the energy would go into creating light waves from the molecules in the firefly, causing it to glow.
Is a firefly illuminated or luminous?
A firefly is considered luminous. Luminous means that the organism or object has the ability to produce its own light.
Is firefly luminous?
Yes, it's called bioillumination. Bioillumination is the ability to produce natural light.
