The metal wire in an incandesent lightbulb glows when the light is switched on and stops glowing when its switched off. This simple process is which kind of a change?

A) a physical change

B) a chemical change

C) a nuclear change

D) an ionic change

Question

The metal wire in an incandesent lightbulb glows when the light is switched on and stops glowing when its switched off. This simple process is which kind of a change?

A) a physical change

B) a chemical change

C) a nuclear change

D) an ionic change

anonymous · Answer

Incandencense is essentially what happens when a piece of metal gets so hot that it glows. Given that the only thing happening to the metal wire in the light bulb (in this case) is a change in temperature to cause it to shine, you should have enough information to answer your question.

anonymous · Answer

So D? Or C?

anonymous · Answer

I'm kinda confused about it all....

anonymous · Answer

@isears

anonymous · Answer

D and C are just meant to distract you. The real question you should be asking: "is change in temperature a chemical or physical change?"

anonymous · Answer

Physical

anonymous · Answer

Bingo

anonymous · Answer

Thank you so much I think understand that now because chemical is something that you don't really do anything to it's the effect of something happening.