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Because the electrons in the atoms of the metal are being excited to a higher energy level they must "de-excite" and go back down to a lower level. When this occurs EM radiation is given off. If this radiation is in the visible light domain it will have an associated wavelength. This wavelength happens to be in the visible spectrum of red/orange/yellow light when metal is heated. Also, there are other types of non-visible radiation when heated, i.e. IR radiation.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoit gets hot
************2nd Opinion*************
It expands, getting longer, thicker, and wider. Mostly longer.
Wiki User
∙ 11y agoWhen a metal bar is heated, the particles speed up and cause vibration. the vibration takes up more space so the bar expands.
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What will happen to the size of gold ring when heated?
nothing, the size of any metal usually expands when heated, but unless you are heating it in a forge also you have to heat it almost to melting point.
Why is a tightened lid on jar easier to remove when heated?
Because the metal lid expands quicker than the glass jar - making it loose.
What happens to the size of solid if you heated it?
it expands
What happens to volume when air is heated?
It expands.
Most matter when heated?
The individual particles vibrate/move faster. The matter as a whole expands.
Why do train tracks expand?
Metal expands when it is heated. Since track is made of metal then it expands when it is heated by the sun.
What expands when heated?
metal is a solid that expands when heated also of course when liquids are heated and change state into a gas they expand but metal is cool because it expands before it changes state
Will the volume of metal decrease if it is heated?
No, the volume of a metal increases as it is heated. It expands.
When metal is heated and expands will the metal get larger or smaller?
Your answer is in the question. If something expands, it obviously gets bigger. Therefore, the metal will get larger.
What kind of metal expands most when heated?
Lead...
Why did concord expand during flight?
Metal expands when heated, friction.
When a metal pot is heated it gains heat and expands .Right or wrong?
Right.
What happens to the hole in a circular metal when it is heated and why does not the hole grows smaller if the sheet expands?
The sheet expands outwards as well
Why metal expands when heated?
Molecules move back and forth faster and faster causing expansion
Does matter expands or contrast when heated?
Matter usually expands when heated.
Compare and contrast conduction and convection?
convection means when something is heated it expands or conducts eg. metal is heated it contracts when it is cooled it contracts.
A bimetallic strip will bend when heated because?
Each metal expands at different rates! One kind of metal expands faster than the other so to make room but still be at the same length with the other metal, it bends.
