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Electricity and Magnetism Test Review

Total questions: 38

Worksheet time: 36mins

Name
Class
Date
1.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
2.
In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.
a)
Series
b)
Parallel
3.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
4.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
5.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
6.
What type of circuit is pictured?
a)
series
b)
Parallel
7.
A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow? 
a)
The switch needs to be opened.
b)
The switch needs to be closed.
c)
The cell needs an insulator.
d)
The wire needs to be connected to the bottom of the cell.
8.
Which statement best explains why the lamp does not glow? 
a)
Circuit 1 is an open circuit.
b)
 Circuit 1 is a closed circuit.
c)
 The negative terminal of Circuit 1 is connected to the cell.
d)
The positive terminal of Circuit 1 is connected to the cell.
9.

Which of these will repel each other?

a)

Negatively charged balloon and positively charged sphere.

b)

Negatively charged balloon and neutral sphere.

c)

Negatively charged balloon and negatively charged sphere.

d)

Negatively charged balloon and neutral wall.

10.
Copper is used in wiring because it is an excellent______________ of electricity.
a)
circuit breaker
b)
conductor
c)
insulator
d)
fuse
11.
The only charges that can move from one object to another are___________ charges.
a)
electric
b)
neutral
c)
positive
d)
negative
12.
I allow electricity to run through me easily.
a)
fuse
b)
conductor
c)
insulator
d)
electric circuit
13.
I try to keep electricity from getting to you.
a)
conductor
b)
fuse
c)
electric discharge
d)
insulator
14.
If you take one light bulb out of a parallel circuit, all the lights will go out.
a)
true
b)
false
15.
Copper is a good conductor of electricity.
a)
true
b)
false
16.
Rubber is a good insulator.
a)

true

b)
false
17.
Protons have a negative charge and electrons have a positive charge.
a)
true
b)
false
18.

What is the major difference between static electricity and current electricity?

a)

Current electricity involves a continuous flow of elecrons; static electricity is a sudden transfer of protons

b)

Current electricity can be deadly; static electricity is almost always safe

c)

In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons

d)

Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons

19.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
20.

What happens when you touch a metal doorknob after rubbing your shoes on the carpet?

a)

The doorknob sends a burst of electric current into your body

b)

Millions of electrons go from your finger into the doorknob

c)

The doorknob sends millions of electrons into your finger

d)

Your finger becomes negatively charged

21.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
22.
Which of the following an insulator?
a)
copper
b)
wood
c)
silver
d)
salt water
23.
The girl's hair and the comb are attracting  one another.  The hair and the comb have
a)
opposite charges
b)
like charges
24.
In a series circuit  with 4 bulbs:
a)
a switch is never used
b)
all of the bulbs become dimmer if another bulb is added
c)
There are many paths for electricity to take
d)
the remaining 3 bulbs stay lit if one burns out
25.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
26.
What happens to the brightness of the light bulbs in a series circuit when you add more lights.
a)
Each bulb gets dimmer
b)
Each bulb remains the same
c)
Half of the bulbs get dimmer
d)
Each bulb gets brighter
27.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
28.

WHERE is the strongest attraction force of the magnet?

a)

at the poles

b)

in the middle

c)

above the magnet

d)

below the magnet

29.

Which object would a magnet attract?

a)

a glass bottle

b)

a piece of paper

c)

a steel paper clip

d)

a rubber eraser

30.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
31.
The north and south poles of two magnets ______________ each other.
a)
a. have no reaction to
b)
b. move away from
c)
c. repel
d)
d. attract
32.
The material best attracted by a magnet is ________________.
a)
silver
b)
copper
c)
iron
d)
glass
33.
A magnetized iron nail is called a ________ magnet.
a)
permanent
b)
temporary
c)
horseshoe
d)
industrial
34.

True or False: An electromagnet can be switched off.

a)

True

b)

False

35.

Which makes an electromagnet work?

a)

needle

b)

electricity

c)

pin

d)

thumbtacks

36.

Electromagnets do NOT have a north and south pole.

a)

True

b)

False

37.

What are the components of the electromagnets?

a)

battery, wire and bulb

b)

battery , copper wire and paper clips

c)

battery, copper wire and iron nail

d)

battery, wire and aluminum

38.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.