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- 1. Fill in the Blank
Protons have a ___________________ charge.
- 2. Fill in the Blank
electrons have a __________ charge.
- 3. Multiple Choice
Like charges ______________, unlike charges ____________ .
repel, attract
attract, repel
attract, attract
repel, repel
- 4. Multiple Choice
What does it mean to say an object is electrically neutral?
It has an equal number of protons and neutrons.
It has an equal number of protons and electrons.
It has more protons than electrons.
It has more electrons than protons.
- 5. Multiple Choice
Is an object’s net charge positive or negative if it loses electrons?
positive
negative
- 6. Multiple Choice
How does the charge of an electron compare to the charge of a proton?
They are equal in size and both negative.
They are equal in size and both positive.
Electrons have more charge than protons.
They are equal in size. Protons are positive and electrons are negative.
They are equal in size. Protons are negative and electrons are positive.
- 7. Multiple Choice
What two factors determine the amount of electric force between objects (use Coulomb’s Law)?
amount of charge and distance
constant and distance
velocity and amount of charge
distance and acceleration
- 8. Multiple Choice
What happens inside an electroscope if a positively charged object is held above it without touching it.
Nothing happens.
The electrons move up the rod towards the positive object, causing the leaves in the bottom to push away from each other.
The electrons move down the rod away from the positive object, causing the leaves in the bottom to push away from each other.
The electrons jump to the positive object from the electroscope.
- 9. Multiple Choice
Why can current easily be created in a conductor but not in an insulator?
Electrons move easily through conductors.
Electrons do not move easily through conductors.
Protons do not move easily through conductors.
Protons move easily through conductors.
- 10. Multiple Choice
True or False:
Like charges repel.
true
false
- 11. Multiple Choice
True or False:
Like charges attract.
true
false
- 12. Multiple Choice
True or False:
Opposite charges repel.
true
false
- 13. Multiple Choice
True or False:
Opposite charges attract.
true
false
- 14. Multiple Choice
True or False:
A positively charged object has lost electrons.
true
false
- 15. Multiple Choice
True or False:
A positively charged object has gained protons.
true
false
- 16. Multiple Choice
True or False:
A negatively charged object has lost protons.
true
false
- 17. Multiple Choice
True or False:
A negatively charged object has gained electrons.
true
false
- 18. Multiple Choice
An object possesses more protons than electrons. This means that the object has a _______________ charge.
positive
negative
neutral
- 19. Multiple Choice
An object possesses more neutrons than electrons. This means that the object has a _______________ charge.
positive
negative
neutral
Not enough information
- 20. Multiple Choice
A formerly neutral object that just lost some electrons. This means that the object has a _______________ charge.
positive
negative
neutral
Not enough information
- 21. Multiple Choice
A formerly neutral object that just gained some electrons. This means that the object has a _______________ charge.
positive
negative
neutral
Not enough information
- 22. Multiple Choice
An object which attracts a negatively-charged balloon. This means that the object has a _______________ charge.
positive
negative
neutral
Not enough information
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