2a.5 - Static Electricity

Question 1

What is a build up of static caused by?

Answer 1

Friction

Question 2

How is static electricity produced?

Answer 2

• When certain insulating materials are rubbed together, negatively charged electrons will be scraped off one and dumped on the other
• This will leave a positive charge on one and a negative charge on the other

Question 3

What does which way the electrons travel as part of static electricity depend on?

Answer 3

The two materials involved

Question 4

Which way do the electrons travel when a polyethene rod is rubbed by a duster?

Answer 4

Electrons move from the duster to the rod

Question 5

Which way do the electrons travel when an acetate rod is rubbed by a duster?

Answer 5

Electrons move from the rod to the duster

Question 6

What is a static charge ALWAYS caused by?

Answer 6

The moving of electrons