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Science
7th -
8thgrade
Basics Static Electricity Vs Current Electricity
15 questions
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- 1. 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.
- 2. 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.
- 3. Multiple ChoiceThe difference between attract and repel is that to attract is to pull something closer and repel is to push something away.TrueFalse
- 4. Multiple ChoiceWhen socks get stuck to towels in your dryer, this is an example of________________current electricitystatic electricity
- 5. Multiple ChoiceWhat types of charges attract?Positive and PositivePositive and NeutralNegative and NeutralPositive and Negative
- 6. Multiple Choice
What types of charges repel?
Positive and Positive
Positive and Neutral
Negative and Neutral
Positive and Negative
- 7. Multiple ChoiceThe accumulation of excess electric charge on an object is calledStatic electricityElectric dischargeResistanceCircuit
- 8. Multiple ChoiceWhat charge does a proton have?negative (-)positive (+)neutral or no charge (0)
- 9. Multiple ChoiceWhat charge does an electron have?negative (-)positive (+)neutral or no charge (0)
- 10. 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
- 11. Multiple ChoiceWhat is the major difference between static electricity and current electricity?Current electricity involves a continuous flow of neutrons; static electricity is a sudden transfer of protonsCurrent electricity can be deadly; static electricity is almost always safeIn current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electronsCurrent electricity involves a flow of electrons; static electricity involves a single transfer of electrons
- 12. 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
- 13. 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
- 14. Multiple ChoiceWhat is the continuous movement of electrons called?static electricitycurrent electricityfrictionpower
- 15. Multiple ChoiceElectrical charge built up on the surface of an object is called _________________.static electricitycurrent electricitylightningelectrons
- Answer choicesTagsAnswer choicesTags