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- 1. Multiple Choice
Ms Pippin 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 Choice
Bending water with a charged balloon is an example of what type of charging (charging an object without touching)
friction
induction
conduction
- 3. Multiple Choice
The difference between attraction and repulsion is that to attract is to pull something closer and repel is to push something away.
True
False
- 4. 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
- 5. Multiple ChoiceElectrical charge built up on the surface of an object is called _________________.static electricitycurrent electricitylightningelectrons
- 6. Multiple Choice
the positively charged particle in an atom, never leaves the nucleus, determines the element
proton
neutron
electron
- 7. Multiple Choice
During a lab a balloon was rubbed with a wooly fabric. This is an example of which type of charging?
conduction
friction
induction
- 8. Multiple Choice
What is the major difference between static electricity and current electricity?
Current electricity involves a continuous flow of elecrons; static electricity is a sudden transfer of protons
Current electricity can be deadly; static electricity is almost always safe
In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons
Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons
- 9. Multiple ChoiceWhat types of charges attract?Positive and PositivePositive and NeutralNegative and NeutralPositive and Negative
- 10. 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
Millions of electrons go from your finger into the doorknob
The doorknob sends millions of electrons into your finger
Your finger becomes negatively charged
- 11. 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
- 12. Multiple Choice
An object that is neutral contains the same number of electrons and protons.
True
False
- 13. Multiple Choice
the negatively charged particle in an atom, moves freely, can be released, shared, or “stolen” from an atom
proton
neutron
electron
- 14. Multiple Choice
the charging of an object by the contact of a charged object to a neutral object (like touching a door knob)
induction
conduction
friction
- 15. Multiple Choice
Lightning occurs because ___.
the negative charges at the bottom of clouds are attracted to the positive charges on the ground.
the positive charges at the bottom of clouds are attracted to the negative charges on the ground.
the positive and negative charges inside clouds are attracted to each other
All of these reasons are correct.
- Answer choicesTagsAnswer choicesTags