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- 1. Multiple ChoiceWhat charge does an atom have if it LOSES an electron?Positive (+)Negative (-)
- 2. Multiple Choice
Walking across a carpet is an example of charge being transferred byfriction.induction.contact.static electricity - 3. Multiple ChoiceTrue or False, Lighting is a form of static electricity.TrueFalse
- 4. Multiple Choice
What makes a charged balloon stick to the wall?
Protons transferred to the balloon when it was rubbed on metal.
Electrons on the surface of the balloon push away electrons in the wall, leaving a positively charged area.
The rubber in the balloon has a magnetic field that pulls on the wood in the wall.
Electricity in the balloon creates a magnetic field that attracts the metal in the wall.
- 5. Multiple Choice
What happens when you touch a metal doorknob after rubbing your shoes on the carpet?
The doorknob sends a burst of electric current into your body
Electrons go from your finger into the doorknob
The doorknob sends millions of electrons into your finger
our finger becomes negatively charged
- 6. Multiple ChoiceThe buildup of charges on an object is called:positive chargestatic chargenegative chargestatic discharge
- 7. Multiple ChoiceWhat do you call the process of charging a conductor by bringing it near another charged object?inductionpolarizationneutralizationconduction
- 8. Multiple ChoiceWhen you charge a balloon by rubbing it on your hair this is an example of what method of charging?FrictionConductionGroundingInduction
- 9. Multiple Choice
The negatively charged balloon is brought near, not touching, the two cans. What happens?
The negative charges in Can B move towards the balloon
The negative charges in Can A move away from the balloon
The positive charges in Can B move towards the balloon
The positive charges in Can A move away from the balloon
- 10. Multiple Choice
Transferring a charge by touching is ___
conduction
induction
grounding
friction
- 11. Multiple Choice
If a negatively charged rod touches a conductor, the conductor will now have a ___________ charge.
positive
neutral
negative
- 12. Multiple Choice
Bending water when a charged balloon is brought close is an example of what type of charging
friction
insulation
conduction
induction
- 13. Multiple Choice
An object or type of material that allows the flow of electrons is a (n)
conductor
insulator
spark
grounding
- 14. Multiple Choice
A method of giving electricity the most effect way to return to ground, usually through a wire or grid
conduction
friction
induction
grounding
- 15. Multiple Choice
What is the purpose of lightning rods ?
to decorate the home
to create a path for the electricity to get to the ground
to direct the electricity to the power grid of the house
to deflect the electricity back into the cloud
- 16. Multiple ChoiceTransferring a charge without touching is ___conductioninductiongroundingNewtons 3rd law
- 17. Multiple ChoiceIf a negatively charged rod touches a conductor, the conductor will be charged by what method?FrictionConductionInductionConvection
- 18. Multiple ChoiceA negatively charged rod is touched to the top of an electroscopeABCD
- 19. Multiple ChoiceCharging by contact results in both objects having the same charge.TrueFalse
- 20. Multiple ChoiceCharging by Friction results in two objects with the same charge.TrueFalse
- 21. Multiple ChoiceWhich of these is the best definition of polarization?The object gains a positive or negative charge from another object.The charges in a neutral object separate due to a nearby charged object.Charges on a neutral object jump off onto a charged object due to attraction of opposite charges.Two objects attract each other because they are both charged.
- 22. Multiple ChoiceA charged balloon is brought near an electroscope but DOES NOT touch the electroscope. This is an example of charging byConductionConvectionFrictionInduction
- 23. Multiple ChoiceThe cans are separated while the balloon is still near. What charge does each can have?Can A and Can B are neutralCan A is negative while Can B is positiveCan A is positive while Can B is negativeBoth cans are positive
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