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When a metal rod is heated at one end what energy transfer takes place in the rod?
conduction
What happen to lift forks if heated?
When a fork is heated it may loose its temper what happens to the metal in this state?
What happens when metal plate with circular hole is heated?
The hole decreases due to metal expansion.
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
How heat transfer by conduction?
the particles at the heated end in say a metal rod gain kinetic energy and therefore start to vibrate more. These heated particles then hit other less energetic (hot) particles and then the heat is passed on that way until the whole object is heated up.
What happens if a metal rod is heated at one end?
The drawing pin which is the closest to the heat/bunsen burner will fall off first because of the heat partials travel through the metal rod and through each piece of wax causing the wax to melt.
When a metal rod is heated at one end what energy transfer takes place in the rod?
conduction
What happens to the average distance between the atoms of a copper rod when the rod is heated?
The space of the atoms increase!
When a metal rod is heated at one end which end is hotter?
The end that is being heated should be hotter than the other end.
What happens when a plastic rod is rubbed with wool?
When a metal rod is rubbed with wool, it gets energized because the metal rod and wool both have opposite effects.
What happens to the electrical conductivity of a metal when it is heated?
it wil expand
What happens to the resistance of a metal when it is heated?
its resistence considerably decreases
What happens to coal when it is heated?
It turns into a metal called "soda"
What happen to lift forks if heated?
When a fork is heated it may loose its temper what happens to the metal in this state?
What happens when metal plate with circular hole is heated?
The hole decreases due to metal expansion.
What happens to pressure in a metal spray when heated up?
It heats up
What happens when a used dry cell graphite rod is heated?
Nothing except that it gets hot
