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- 1. Multiple ChoiceMs Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?The balloons will repel each other.The balloons will attract each other.The balloons will become positively (+) charged.The balloons will pop.
- 2. Multiple ChoiceThe difference between attract and repel is that to attract is to pull something closer and repel is to push something away.TrueFalse
- 3. Multiple ChoiceWhat types of charges attract?Positive and PositivePositive and NeutralNegative and NeutralPositive and Negative
- 4. Multiple ChoiceThe accumulation of excess electric charge on an object is calledStatic electricityElectric dischargeResistanceCircuit
- 5. Multiple ChoiceIf a substance has a higher number of electrons than protons on its surface, what type of charge does it have?A positive charge.A negative charge.A neutral chargeNo charge at all
- 6. Multiple ChoiceWhat happens when you touch a metal doorknob after rubbing your shoes on the carpet?The doorknob sends a burst of electric current into your bodyMillions of electrons go from your finger into the doorknobThe doorknob sends millions of electrons into your fingerour finger becomes negatively charged
- 7. Multiple ChoiceWhich of the following is caused by static electricity?a stove getting hot when it is turned ona magnet being attracted to a refrigeratora lightning strike during a storma light bulb coming on when a switch is turned on
- 8. Multiple ChoiceWhy can you get a shock if you touch a metal doorknob after walking across a wool carpet?You have gained electrons; the doorknob has no electrons.You have gained neutrons; the doorknob has fewer electrons.You have lost electrons; the doorknob has many electrons.You have gained electrons; the doorknob has many electrons.
- 9. Multiple Choice
Electric charges that DO NOT move through a current are known as
Magnetic
Electric
Electromagnetism
Static Electricity
- 10. Multiple Choice
Electric circuits provide energy for light bulbs. Which of these prevents the flow of electrons?
a circuit that is closed
A series circuit
a circuit that is open
a parallel circuit
- 11. Multiple ChoiceYour hair might be attracted to your comb as your hair and the combe become oppositely charged.truefalse
- 12. Multiple ChoiceA neutral object becomes negatively charged when it loses electrons.truefalse
- 13. Multiple ChoiceWhat is an insulator?The area of a conductor through which a current is able to moveA material which does not allow electricity to go through itThe amount of devices which are in a circuitA battery or other device which provides energy for a circuit
- 14. Multiple Choice
Power sourceClosed circuitInsulatorOpen circuit - 15. Multiple ChoiceIf the lights are off, the circuit isclosedopen
- 16. Multiple ChoiceTwo types of circuits areparallel and magneticelectromagnetic and seriesseries and parallel
- Answer choicesTagsAnswer choicesTags