Static Electricity

Question 1

What do all materials contain?

Answer 1

Charge

Question 2

Can conducting materials build up charge?

Answer 2

No

Question 3

Do insulating material’s conduct electricity?

Answer 3

No

Question 4

What is static electricity caused by?

Answer 4

(1) Static electricity is cause by the build up of electrical charges (1) that aren’t free to move

Question 5

What happens when you rub a polythene rod on a cloth and what happens when you rub an acetate rod on a cloth?

Answer 5

(1) the polythene rod becomes - (1)and the cloth becomes + (1)and the acetate rod becomes + (1)and the cloth becomes -

Question 6

How do sparks occur/form?

Answer 6

(1) sparks occur when the potential difference between a charged object and an earthed object develops (1) and it becomes large enough (1) that electrons start to jump across the gap

Question 7

Why can cars build up charge?

Answer 7

(1) They can build up charge because the wind can make contact with their metal frame (1) and transfer electrons