Test maybe

Question 1

Examples of Insulators

Answer 1

• Plastic
• Rubber
• Glass

Question 2

Examples of Conductors

Answer 2

• Steel
• Gold
• Copper

Question 3

Why is mist safer than a steady stream of water?

Answer 3

Mist doesn’t allow continuous conducting pathway and it is safer because there are gaps of insulating air in between

Question 4

What is an Electroscope:

Answer 4

A device for detecting the presence of an electric charge

Question 5

What is an Electric Field:

Answer 5

A property of the space around a charged object, where the effect of its charge can be felt by other objects

Question 6

5 Steps by charging by induction

Answer 6

1) Neutral electroscope
2) (Positive/Negative) rod nearby
3) Electroscope grounded
4) Ground removed
5) Rod removed

Question 7

4 Steps by charging by contact

Answer 7

1) Neutral electroscope
2) (Positive/Negative) rod nearby
3) Rod makes contact
4) Rod removed

Question 8

Examples of Semi-Conductors

Answer 8

• Saltwater
• Earth
• Human body
• Oil

Question 9

An Electrostatic Precipitator. What is it?

Answer 9

A type of cleaner that removes unwanted particles from a flow of gas/air

Question 10

A Van de Graff Generator. What is it?

Answer 10

A device that creates very large charges