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Science 9 - Topic 4-6 Review

Total questions: 22

Worksheet time: 14mins

Name
Class
Date
1.

Material that can carry electricity or heat is a

a)

reducer

b)

reconstruction

c)

conductor

d)

insulator

2.

An electromagnet is

a)

a piece of plastic encircled by a coil of wire through which an electric current is passed to magnetize the iron

b)

a piece of iron encircled by a coil of string through which an electric current is passed to magnetize the iron

c)

a piece of iron encircled by a coil of wire through which an electric current is passed to melt the iron

d)

a piece of iron encircled by a coil of wire through which an electric current is passed to magnetize the iron

3.

A material that resists the flow of electricity or heat is a

a)

insulator, and examples are copper and other metals.

b)

insulator, and examples are plastic and rubber.

c)

conductor, and examples are copper and other metals.

d)

conductor, and examples are plastic and rubber.

4.

The build up of an electrical charge on the surface of an object

a)

electrical current

b)

magnetism

c)

static electricity

d)

electrical circuit

5.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
6.
Electric current is measured in ______.
a)
Watts
b)
Volts
c)
Amperes
7.
What is the unit for resistance?
a)
Volts
b)
Amperes
c)
Ohms
8.
Electricity is the flow of _________.
a)
protons
b)
neutrons
c)
electrons
9.

In a ________ circuit there are multiple paths for the electrons to take.

a)

Series

b)

Parallel

10.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
11.
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 
12.
What type of particle from an atom causes a flow of electricity
a)
Neutron
b)
Nucleus
c)
Proton
d)
Electron
13.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
14.
What would happen if you took one bulb out of a series circuit?
a)
The circuit would be closed
b)
It would not change the circuit
c)
You would create a short circuit
d)
None of the other bulbs would light
15.

In magnets and electromagnets, similar poles attract

a)

true

b)

false

16.
Electric motors are devices that convert _____ energy into  _____ energy.
a)
electrical; mechanical
b)
mechanical; electrical
c)
chemical; potential
d)
mechanical; kinetic
17.
Generators are devices that convert _____ energy into _____ energy.
a)
chemical; mechanical
b)
mechanical; electrical
c)
electrical; mechanical
d)
potential; kinetic
18.

AC stands for __________ current.

a)

alternating

b)

Adjusting

c)

Alarmed

d)

Additional

19.
What is the popular name for an electrochemical cell? Choose one answer. 
a)
 A fuel cell.
b)
A catalytic cell. 
c)
A battery.
d)
A galvanometer
20.
A primary cell is 
a)
a rechargeable battery
b)
a non-rechargeable battery
c)
a flow of electricity
d)
device that stops the flow of electricity
21.
2 different metals that lose or gain electrons in a battery (zinc and copper
a)
wet cells
b)
dry cells
c)
electrolytes
d)
electrodes
22.
a cell that has a liquid electrolyte
a)
wet cells
b)
dry cells
c)
electrolytes
d)
electrodes