TOPIC 7: Static Electricity

Question 1

What Is Static Electricity?

Answer 1

the imbalance of charge that stays on an object.

Question 2

What Is Friction?

Answer 2

the resistance against the movement of an object as a result of its contact with another object.

Question 3

How Is A Spark Formed?

Answer 3

a spark is formed when two objects are close together, and the air gap between these two objects heat up and glow, thus transferring electrons from one object to another.

Question 4

What Is The Van de Graaff Generator?

Answer 4

it is a device that uses friction to create a large build-up of charge on a metal dome. When it is on, it is positively charged.

Question 5

What is An Electroscope?

Answer 5

a device that detects the presence of electrical charge, and also identifies the type of charge on a charged object.

Question 6

What Will Happen To Two Negative Charges When Put Together, And Why Is This So?

Answer 6

two negative charges will repel. This is because like charges repel, and unlike charges attract one another.