GCSE Physics

Rub a plastic pen on your sleeve and hold is near some tiny pieces of paper what happens 

Rub a plastic object on your sleeve and then near but not touching a thin stream of water from the Tap , what happens

when certain insulationg materials are rubbed against each other they become 

When two electrically charged objects are brought together they

Two charged objects may either 

Two objects that carry the same type of charge 

Two objects that carry different types of charges 

A) A + charged object x and another charged object y repel each other what is thebtype of charge on y
B) y is removed and a - charged object z is bought near to x . State whether x and z attract or repel each other 

One strip of plastic is electrically charged and + , the other strip is uncharged , the strips of plastic are then moved close to each other , which two of the following statements are true 
A) the strips will attract each other 
B) the strips will repel each other 
C) the strips will have no effect on each other 
D) if the uncharged strip is given a + charge , the strips will attract each other 
E) if the uncharged strip is given a + charge the strips will repel each other 

When two different materials are rubbed against each other  - charged electrons are 

Complate the sentences 
A proton has a .... Charge 
 A Neutron has a ..... Charge 
An electron has a ..... Charge 

Complete the following sentences 
Every atom contains a ..... Which is + Charged . The nucleus of an atom is composed of ..... And ...... . The .... in an atom move about in the space surrounding the nucleus . An uncharged atom has equal numbers of .... And .... . An uncharged atom becomes charged as a result of transferring ...... To or from it 

A) In an experiment , an insulator becomes - charged when it is rubbed with a dry cloth . In terms electron transfer , explain why the insulator becomes - charged 
B) explain why the insulator does not lose its charged

A plastic rubber is rubbed on a duster . The ruler becomes - charged . Which two statements are true 
A) the duster has also become - charged 
B) the duster has gained electrons 
C) the duster has lost electrons 
D) the ruler has gained electrons 
E) the ruler has lost electrons 

A polythene rod is rubbed with a dry cloth . The rod is held close to a small electrically charged bead hanging from a string . The bead moves towards the polythene rod . Complete the sentences 
When the rod is rubbed ...  Are rubbed off the cloth onto the rod . The surface of the rod is now ..... . The charged rid now attracts the bead because the surface of the bead is ...... . If the bead is touched it is no longer attracted to the rod because the bead has been .....