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CH. 6 Electricity

Total questions: 41

Worksheet time: 36mins

Name
Class
Date
1.

The buildup of nonflowing electric charges on the surface of an object is called ____electricity.

a)

current

b)

power

c)

static

d)

none of the above

2.

Sometimes when objects rub against each other, _____charges move from one object to the other.

a)

positive

b)

negative

c)

all

d)

none of the above

3.

Metal can be a good ______.

a)

conductor

b)

insulator

c)

charge

d)

none of the above

4.

A path that electricity flows through is called a ____.

a)

current

b)

trail

c)

circuit

d)

lightbulb

5.

A parallel circuit has _____path that electricity can take.

a)

one

b)

more than one

c)

no

d)

all of the above

6.

A switch can open or close a _______.

a)

circuit

b)

lightbulb

c)

current

d)

none of the above

7.

Like charges repel, or push away from, each other

a)

True

b)

False

c)

attract

d)

none of the above

8.
The tendency of a material to resist the flow of electricity is measured in.
a)
volts
b)
amps
c)
ohms
d)
watts
9.
Current is measured in ...
a)
amps
b)
watts
c)
volts
d)
ohms
10.
A conductor is a
a)
material that does not allow electrons to flow easily.
b)
material that allows electrons to flow easily.
c)
device the detects an electric charge.
d)
device the changes voltage.
11.
Which of the charges below will attract each other
a)
[Positive]  [Positive]
b)
[Negative]  [Negative]
c)
[Positive]  [Negative]
d)
All of the Above
12.
A circuit with two or more branches is a __________ circuit
a)
series
b)
parallel
13.
How many paths does a series circuit have for electricity to follow?
a)
one
b)
two
c)
three
d)
two or more
14.
The image is of a ______________ circuit.
a)
series
b)
parallel
15.
The image is of a ______________ circuit.
a)
series
b)
parallel
16.
Copper is a 
a)
conductor
b)
insulator
17.
Glass is a 
a)
conductor
b)
insulator
18.
A closed path that electric current flows is a
a)
circuit
b)
series circuit
c)
parallel circuit
19.
Which way do electrons flow?
a)
Positive to Negative
b)
Negative to Positive
20.
What is the unit of measurement for current
a)
Ohm's
b)
Amperes
c)
Volts
21.
In a parallel circuit with 2 lightbulbs, if you take out one lightbulb what will happen to the rest?
a)
They will all go out.
b)
The other one will stay on 
22.
What kind of picture does the picture show? 
a)
Closed/Complete
b)
Open/Incomplete
23.
What is static electricity?
a)
the flow of electric charges
b)
the build-up of an electrical charge on a surface.
c)
the opposition of current flow. 
24.
In a series circuit what happens when you add another bulb? 
a)
The bulb gets brighter
b)
The bulb gets dimmer
c)
Nothing changes
25.
The rate at which an electrical device converts energy from one form to another is called _____.
a)
electrical energy
b)
electrical power
c)
electrical resistance
d)
voltage regulation
26.
Lightning is _____.
a)
a buildup of neutrons
b)
harmless
c)
a high-voltage electric current
d)
a large discharge of static electricity
27.
The longer the wire, the _______ resistance
a)
greater
b)
less
28.
The purpose of a switch is to:
a)
carry electricity
b)
turn the circuit on and off
c)
provide energy
d)
create sound
29.
According to this law, a charge can be transferred from object to object, but it cannot be created or destroyed. 
a)
Law of Conservation of Energy 
b)
Newton's Third Law 
c)
Law of Conservation of Charge
d)
Ohm's Law
30.
The rearrangement of electrons on a neutral object caused by a nearby charged object 
a)
Induction 
b)
Conduction 
c)
Friction 
d)
Conductor 
31.
Electric current that flows in only one direction. 
a)
Voltage 
b)
Direct Current 
c)
Alternating Current
d)
Series Circuit 
32.
Electric current that reverses its direction of flow in a regular pattern  
a)
Voltage 
b)
Direct Current 
c)
Alternating Current 
d)
Parallel Circuit 
33.
According to this law, the current in a circuit equals the voltage difference divided by the resistance. 
a)
Law of Conservation of Energy 
b)
Ohm's Law 
c)
Law of Conservation of Charges
d)
Newton's First Law 
34.
Which subatomic particle has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Enlighton
35.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
36.
This is the symbol for a ...
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
37.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
38.
Electrical Energy is measured in ________ .
a)
kWh
b)
Amps
c)
Volts
d)
Joules
39.
Identify the type of circuit that is most common in household wiring.
a)
Parallel
b)
Series
40.

How does lightning happen?

a)

The negative charges surge to the ground.

b)

The positive charges on the ground surge to the clouds.

c)

The negative charges meet the positive charges in the middle.

41.

What causes lightning to form?

a)

Convection currents in the clouds separating the positive and negative charges.

b)

A large release of static electricity.

c)

Charging by induction happening between the clouds.