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- 1. Multiple Choice
The light bulbs are examples of what in the circuit?
voltage
resistor
switch
path
- 2. Multiple Choice
A series circuit will continue to work if one of the light bulbs is unscrewed.
true
false
- 3. Multiple Choice
If two balloons have the same charge the balloons will...
repel
attract
stay neutral
- 4. Multiple Choice
An object with equal amounts of positive and negative charge is electrically....
neutral
charged
positive
negative
- 5. Multiple Choice
All of these are examples of conductors except...
wooden ruler
paper clip
metal key
copper penny
- 6. Multiple Choice
All of these are examples of insulators except....
plastic fork
glass marble
rubber band
aluminum can
- 7. Multiple Choice
An object that has gained electrons is....
electrically neutral
negatively charged
positively charged
- 8. Multiple Choice
These magnets will...
attract
repel
nothing will happen
- 9. Multiple Choice
This is an example of what type of circuit?
simple
series
parallel
- 10. Multiple Choice
A material that does not allow electrons to move freely matches which term?
electric circuit
electric current
insulator
conductor
- 11. Multiple Choice
If two atoms, each with a different charge (+ and -), were brought near each other, they would....
attract each other
repel each other
create static discharge
have on effect on each other
- 12. Multiple Choice
Which of the following represents Ohm’s law?
I = V / R
V = I x R
R = V x I
V = I / R
- 13. Multiple Choice
How many paths through which charge can flow would be shown in a circuit diagram of a series circuit?
two or more
one
none, the circuit is open
more information is needed
- 14. Multiple Choice
What creates a magnetic field?
charged particles that do not move
moving electric charges
gravity
an isolated magnetic pole
- 15. Multiple Choice
How are fossil fuels used to generate electrical energy?
Heat from burning fuel creates steam that spins a turbine.
Heat from burning fuel spins magnets inside an electric motor.
Heat from burning fuel causes an electric motor to produce a current.
Heat from burning fuel creates steam that turns a transformer.
- 16. Multiple Choice
A temporary magnet that only works when electricity is passed through wires surrounding an iron core is called:
electromagnet
galvanometer
induction
super conductor magnet
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