Electricity

Question 1

What charge is on an object if you remove electrons or added

Answer 1

Remove electrons from an object and the object is positive.

Add extra electrons to an object and the object is negative.

Question 2

How do you remove or add electrons to an object

Answer 2

Friction

Question 3

What conclusion can be drawn from the results of the experiment to demonstrate the force between charged objects

Answer 3

Like charged objects repel each other.

Oppositely charged objects attract each other.

Question 4

Explain an insulator of electricity

Answer 4

A material through which charge cannot flow.

Question 5

Explain a conductor in terms of electricty

Answer 5

A material a charge can travel along.

Question 6

Explain how a lightning rod works

Answer 6

A lightning rod is made of a good conducting metal. A sharp, metal rod is placed above the tallest part of the building. If lightning hits the metal rod, the electrons travel to the ground along the metal conductor and the building is undamaged.

Question 7

What is current measured in?

Answer 7

Current is measured in the ampere (A)

Question 8

Explain current electricity

Answer 8

Current electricity is the flow of electrons along a wire.

Question 9

Explain voltage

Answer 9

Voltage is a measure of the ability of the electrons to do a particular task.