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Q 1/22
Score 0
Why is electrical wiring usually made from copper?
120
Because copper is a good insulator of electricity.
Because copper is magnetic.
Because copper is shiny and doesn't bend.
Because copper is a good conductor of electricity.
Q 2/22
Score 0
Which of the following material is an electrical insulator?
120
steel paperclip
pencil eraser
gold ring
aluminum cup
22 questions
Q.
Why is electrical wiring usually made from copper?
1
120 sec
Q.
Which of the following material is an electrical insulator?
2
120 sec
Q.
A material which is an electrical insulator does what?
3
120 sec
Q.
Why is electrical wiring usually covered with a layer of plastic or rubber?
4
120 sec
Q.
Which of these is NOT an electrical conductor?
5
120 sec
Q.
A material which is an electrical conductor does what?
6
120 sec
Q.
A material that lets electricity to pass through it easily is called......
7
120 sec
Q.
Which of these is NOT a good electrical insulator?
8
120 sec
Q.
What can Evan put in the open space between the wires to make the light bulb light?
9
120 sec
Q.
What can Celia do to get the light bulb to light?
10
120 sec
Q.
Adryell found this diagram in his science book. Is the light bulb on or off?
11
120 sec
Q.
Silas drew these four diagrams. Which diagram shows the light bulb on?
12
120 sec
Q.
What can Kevin put in the space between the wires that will Not let the light bulb light?
13
120 sec
Q.
Look at the diagram that Jose made. Is the light bulb on or off?
14
120 sec
Q.
Anxelic wants to show that electricity travels in a closed path. The symbols represent the parts shown in her circuit. What is the purpose of the battery?
15
120 sec
Q.
Aaliyah built this circuit. She made a list of symbols to represent the parts she used. What is the purpose of the wire?
16
120 sec
Q.
Issac built this circuit using the symbols above. Which component is the Load?
17
120 sec
Q.
Dominick tries to built a circuit using a paperclip, light bulb, some copper wire and a battery. What is wrong with his circuit?
18
120 sec
Q.
Study the electrical circuit that Ivanka built. Is the circuit a open path or a closed path?
19
120 sec
Q.
Kiana built this circuit. Is this circuit creating an incomplete loop or complete loop?
20
120 sec
Q.
Daisy built this circuit. Are the light bulbs on or off?
21
120 sec
Q.
De'Lon built this circuit. Did the light bulbs light up?
