Science 8 Exam Review: Electricity Quiz

Which of the following is NOT an example of static electricity?

• lightning

• the electricity in a toaster

• the shock you get when you rub your feet on carpet and touch something metal

• rubbing a balloon on your hair so that your hair sticks up

When an object is negatively charged it has more ______ than ______.

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OFF

Electric charge that has built up on an object is referred to as ______.

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OFF

If you increase the distance between 2 particles, what happens to the electric force of those particles?

• It increases

• It decreases

• It disappears

• It reverses direction

Once static electricity is discharged it will always ______.

• move through an insulator

• increase in voltage

• become current electricity

• try to find the ground

Judging by the electric field force arrows, what is the charge of the particle in the diagram above?

• neutral

• positive

• negative

• cannot be determined

You plug a fan into the outlet in your wall and flip the switch to turn it on. Which of the following is the load in the circuit?

• the fan

• the switch

• the outlet

• none of the above

In the circuit diagram above, will the bulb in this circuit light?

• yes, there is wire in the circuit

• no, there is no power source in the circuit

• yes, there is an unbroken path of conductors

• no, the switch is in the open position so the circuit is not complete

Will the circuit in the diagram above cause a light bulb to light?

• yes, it is a complete circuit

• no, there is neither a bulb nor a cell

• yes, there are conductors and a battery

• cannot tell from this diagram

What is the purpose of resistors in a circuit?

• turn the current on and off

• create voltage

• convert electrical energy to another type of energy

• limit the flow of current so it doesn’t overwhelm the load