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WorksheetsElectricity and Magnetism
Total questions: 16
Worksheet time: 41mins
Name
Class
Date
1.
The buildup of charges on an object
a)
conductor
b)
static electricity
c)
electric field
d)
series circuit
2.
An object that allows electricity to flow
a)
conductor
b)
electromagnet
c)
insulator
d)
resistor
3.
An object that does not conduct electricity
a)
electromagnet
b)
conductor
c)
insulator
d)
resistor
4.
The measure of how much a material opposes the flow of current
a)
insulator
b)
conductor
c)
reisitance
d)
parallel circuit
5.
A temporary magnet made up of a wire wrapped around a core
a)
conductor
b)
electromagnet
c)
parallel circuit
d)
series circuit
6.
A circuit that only has one path that electricity can follow
a)
parallel circuit
b)
static electricity
c)
electromagnet
d)
series circuit
7.
A circuit that has two or more paths that electricity can follow
a)
parallel circuit
b)
series cirucit
c)
open circuit
d)
closed circuit
8.
The space in which an electric force acts
a)
static field
b)
resistance
c)
electric field
d)
closed circuit
9.
Which of these materials is a good insulator of electricity?
a)
saltwater
b)
plastic
c)
aluminum foil
d)
silver
10.
If one burned out bulb causes all of the lights to fail in a circuit, what might you conclude?
a)
It is a parallel circuit.
b)
A heavier wire is needed.
c)
It is a series circuit.
d)
More batteries are needed.
11.
What is a property of matter that causes objects to attract or repel each other?
a)
compass
b)
electric charge
c)
electric circuit
d)
electric field
12.
Which of the following is a characteristic of most electrical conductors?
a)
They can be cut easily.
b)
Positive charges move easily through them.
c)
Negative charges move easily through them.
d)
They are soft and flexible.
13.
Which statement is true about an electromagnet?
a)
It is a permanent magnet.
b)
It is made by wrapping current-carrying wire around an iron core.
c)
It cannot be turned off.
d)
Increasing the number of coils decreases the strength.
14.
What will happen to the compass if the switch is closed?
a)
The battery will recharge.
b)
The compass needle will turn.
c)
A spark will jump from the nail.
d)
The wire will become an insulator.
15.
A student added another light to an electrical circuit and all the lights became dimmer in the circuit. What is most likely the cause of the dimmer lights?
a)
The batteries are weak.
b)
The circuit is a parallel circuit.
c)
The light bulbs are hot.
d)
The circuit is a series circuit.
16.
You are going to build an electromagnet. What materials do you need?
a)
insulated wire, compass, iron bar
b)
compass, iron bar, light bulbs
c)
insulated wire, iron bar, batteries and holder
d)
iron bar, batteries and holder, light bulbs
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