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WorksheetsMagnetism & Electricity
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
What did Michael Faraday invent?
a)
The first generator called the dynamo
b)
The lightning rod
c)
A circuit
d)
None of these
2.
In order for electricity to flow you must have an electrical ________________.
a)
lightning
b)
circuit
c)
an outlet
d)
all of these
3.
Two types of electricity are:
a)
north & south
b)
positive & negative
c)
static & circuit
d)
static & current
4.
What is happening to the electrons in a circuit?
a)
they are moving from one place to another
b)
they are not moving
c)
they are becoming positive
d)
none of these
5.
What does a lightning rod do?
a)
keeps buildings and barns from catching fire
b)
gives electricity another path to follow
c)
both of these
d)
neither of these
6.
What is happening to the electrons in a circuit?
a)
they are moving from one place to another
b)
they are not moving
c)
they are becoming positive
d)
none of these
7.
What is true about magnets & magnetism?
a)
It is invisible
b)
It has a north & south pole
c)
It has a magnetic field
d)
All of these
8.
In a magnet, opposite charges...
a)
repel (move apart)
b)
attract (move to)
c)
repel & attract
d)
none of these is true
9.
When cutting a magnet in half, it will still have 2 opposite poles (North & South).
a)
True
b)
False
10.
What magnetic minerals are found in the Earth's core?
a)
cobalt
b)
cobalt & nickel
c)
iron & nickel
d)
iron, nickel & cobalt
11.
What does a conductor do?
a)
stops protons from moving along a wire
b)
allows protons to move along a wire
c)
stops electrons from moving along a wire
d)
allows electrons to move along a wire
12.
Good conductors of electricity include:
a)
metal, glass, plastic
b)
metal, humans, water
c)
glass, plastic, rubber
d)
water, rubber, plastic
13.
How do you calculate watts?
a)
amps x volts
b)
amps / volts
c)
volts - amps
d)
you can't calculate watts
14.
How many volts of electricity can be generated by lightning?
a)
1 million
b)
100 million
c)
700 thousand
d)
350 thousand
15.
What do amps measure?
a)
the number of electrons flowing through a wire
b)
the force (pressure) put on the electrons moving through a wire
c)
the distance the current travels
d)
all of these
16.
AC stands for:
a)
alternating circuit
b)
alternating current
c)
awesome Comanche
d)
a rock band
17.
DC stands for:
a)
direct current
b)
direct circuit
c)
neither of these
d)
both of these
18.
In an alternating current, the electrons flow back and forth and can travel long distances.
a)
True
b)
False
19.
In a direct current, electricity flows in one direction and cannot travel far.
a)
True
b)
False
20.
How does an object become electrically charged?
a)
It loses electrons
b)
It gains electrons
c)
neither of these
d)
both of these
21.
An electrical circuit:
a)
has to have a conductor
b)
can be broken
c)
allows a path for electrons to flow
d)
all of these
22.
What do volts measure?
a)
the number of electrons along a wire
b)
the force (pressure) of the electrical current that flows along a wire
c)
both of these
d)
neither of these
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