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- 1. Multiple Choice
Protons have a ______ charge.
positive
negative
neutral
- 2. Multiple Choice
Neutrons have a ______ charge.
positive
negative
neutral
- 3. Multiple Choice
Electrons have a ______ charge.
positive
negative
neutral
- 4. Multiple Choice
Opposite charges _______ each other.
attract
repel
- 5. Multiple Choice
Like charges _______ each other.
attract
repel
- 6. Multiple Choice
The force between electric charges depends on...
both the mass and the distance between charges
the distance between charges
the amount of charge
both the distance between and the amount of charge
- 7. Multiple Choice
A material through which electrons (and therefore charge) move easily.
insulator
conductor
static electricity
ions
- 8. Multiple Choice
A material through which electrons (and therefore charge) do not move easily.
insulator
conductor
static electricity
ions
- 9. Multiple Choice
Metal is an example of...
an insulator
a conductor
- 10. Multiple Choice
Sea (salt) water is an example of...
an insulator
a conductor
- 11. Multiple Choice
Rubber is an example of...
an insulator
a conductor
- 12. Multiple Choice
Dry wood is an example of...
an insulator
a conductor
- 13. Multiple Choice
I touched a negatively charged rod to a neutral object, and some negative charge was transferred to the object. This is an example of...
charging by induction
charging by polarization
charging by contact
not being smart - you should never do that
- 14. Multiple Choice
I bring a positively charged rod near a neutral metal sphere, which causes the negative charge within the sphere to move toward the rod, and the positive charge to move away from the rod. This is an example of...
charging by induction
charging by polarization
charging by contact
charging by friction
- 15. Multiple Choice
During a storm, convection currents cause a separation of charges in storm clouds, and then lightening strikes the ground due to...
the force of the convection currents
the attraction between negative and positive charges between the cloud and the ground
the negative and positive charges in the cloud repelling each other
the high potential energy in the cloud flowing to the low potential energy in the ground
- 16. Multiple Choice
A device that detects electric charge by the repelling of two thin metal leaves at the end of a metal rod.
voltmeter
electrometer
galvanometer
electroscope
- 17. Multiple Choice
How many types of electric charges are there?
0
1
2
3
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