What is the main task you need to do after listening to the information about conductivity?

Understanding Conductivity

Interactive Video
•

Liam Anderson
•
Physics, Science
•
5th - 8th Grade
•
Hard
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Memorize the entire transcript.
Write a detailed essay.
Summarize the information heard.
Create a drawing of the circuit.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do electric plugs have metal prongs?
Because metal is cheaper than plastic.
Because metal is a good conductor of electricity.
Because metal is more durable than rubber.
Because metal is lighter than other materials.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does picture one in the test book illustrate?
A circuit with multiple batteries.
A circuit with a switch.
A broken circuit with disconnected wires.
A complete circuit with a glowing bulb.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the wires are connected to a rubber eraser?
The light bulb does not light up.
The light bulb lights up.
The batteries get disconnected.
The circuit is completed and electricity flows.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the light bulb not light up when rubber is used in the circuit?
Because rubber enhances electricity flow.
Because rubber blocks electricity.
Because rubber is a good conductor.
Because rubber is too thin.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What material is used in the final demonstration to complete the circuit?
Wood
Aluminum foil
Copper
Plastic
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result when aluminum foil is used in the circuit?
The light bulb lights up.
The circuit remains incomplete.
The light bulb does not light up.
The batteries lose power.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the outside of an electrical plug covered in rubber?
To reduce the cost of production.
To make it more durable.
To prevent electricity from being conducted to us.
To make it look attractive.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of conductivity in electrical engineering?
It is only important for household appliances.
It helps in designing circuits.
It is used to make materials more expensive.
It is irrelevant to electrical engineering.
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which material is a better conductor of electricity, metal or rubber?
Metal
Neither is a conductor
Rubber
Both are equally good
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