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Metals expand when heated because when heat touches the atoms they bounce around even more than they already do so they need more space. When you cool a metal it contracts. Would you get closer to someone when your cold?
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Do metals expand when they are cooled?
No, most substances contract with cooling, only some exotic substances (eg water) expands when cooled.
Does metal expand and contract?
Yes but remember that metals such as iron the forces between the atoms are stronger so it is more difficult for the atoms to move around.
When substances get cooler they expand or contract?
Contract
Will the jar contract or expand when heated?
Heat would cause the molecules to speed up movement and expand metals. Glass melts, paper burns, clay would shrink as water vapor escapes, etc.
Do all objects expand when heated?
All objects do not expand on heating.....Only metals expand on heating.....non metals like wood,plastic,etc do not expand on heating.
Do any metals contract when heated?
No, metals always expand when heated and contract only when cooled.
What are substances that expand and contract called?
metals, like iron
How do you make metal contract?
They expand ------- No, normally metals expand when heated.
What happened to the matel when it is on a cold day?
Metals contract when they are cooled, and expand when they are heated.
Would a bar of copper contract if you placed it in a refrigerator?
All metals will expand and contract to some degree depending on the temperature.
Why did your cupcakes contract from the cases on cooling?
Like in Science when metals are heated they expand then contract when they cool.They contract because all of the stach has setteled in.It is always good to cool your cupcakes.
Do metals expand when they are cooled?
No, most substances contract with cooling, only some exotic substances (eg water) expands when cooled.
What is the use of bimetal thermometer?
They are used in thermostats as a physically temperature sensitive switch. Because the two different metals expand and contract at different rates when bimetals are wound into coils the coils become temperature sensitive and expand and contract with respect to the ambient temperature.
Does the human body expand or contract and why?
I think we can.As our human body which is a solid gains heat , they expand and contract when they lose heat.And solids do expand and contract.
Does matter expand or contract when it is heated?
Expand
Does metal expand and contract?
Yes but remember that metals such as iron the forces between the atoms are stronger so it is more difficult for the atoms to move around.
When substances get cooler they expand or contract?
Contract
