Lesson 1: Methods of Electrostatic Charging (1)

Question 1

is produced when there is an imbalance of electrical charge

Answer 1

Static Electricity (electricity at rest)

Question 2

the word “electricity” comes from the Greek word ___ which means
___

Answer 2

elektro, amber

Question 3

● an American physicist who carried out a series of experiments involving flying kites during thunderstorms, which led to the discovery of electric charge

● classified electric charges as positive and negative

Answer 3

Benjamin Franklin

Question 4

He discovered the presence of electrons

Answer 4

J.J Thomson

Question 5

Charges are measured in ___

Answer 5

Coulombs (C)

Question 6

Interaction of Charges:

Occurs when an external charged sphere is placed near the neutral sphere

Answer 6

Charge Separation

Question 7

● material or substance that allows electricity to flow easily through them

Answer 7

Conductor

Question 8

● materials that hinder the flow of electricity

Answer 8

Insulator

Question 9

Structure of the Atom:

Atoms are made up of three subatomic particles. They are:

Answer 9

Electrons, Protons, Neutrons

Question 10

the sum of electrons and protons

Answer 10

Net Charge