21 questions
What causes electricity?
The movement of negatively charged particles
The movement of positively charged particles
The abundance of conductors
The abundance of insulators
Which of the following is an example of a conductor?
Glass
Rubber
Quartz
Copper
Which of the following is an example of an insulator?
Gold
Silver
Aluminium
Mica
Why do electricians always wrap wires in plastic?
Plastic comes in many different colors
Plastic is a good electrical conductor
Plastic makes the wires easy to bend
Plastic is a good electrical insulator
Which of these materials is a good conductor of electricity?
Rubber
Metal
Newspaper
Glass
Which of the following items would conduct electricity?
Aluminum ladder
Metal screwdriver
Wooden baseball bat
Rubber flip flops
How can it be explained that someone's hair can stick to a balloon?
There is static electricity
There is too much dust in the air
A parallel circuit was too long
The person needs to wash his hair
A penny is an example of
An insulator
an electron
a proton
a conductor
which of the following materials are best used as insulators?
Wood
Rubber
Metal
Plastic
The student arrived home and turned on a light switch, so she could see how to get to her bedroom. The switch allowed electricity to flow and was transformed into-
Light energy
mechanical energy
superior energy
radiant energy
Only ____________________ can move from one another object to another object when rubbed.
neutron
electron
proton
There are two types of electrical charges :
positive charge
negative charge
neutral
non-moving charge