Free Printable Unit N: Electromagnetism Review

1.

Choose every true statement about a proton.

a)

¨-¨ charge

b)

¨+¨ charge

c)

located in the shell

d)

mass 1

e)

mass too little to measure

2.

Choose every true statement about an electron.

a)

¨-¨ charge

b)

¨+¨ charge

c)

located in the shell

d)

mass 1

e)

mass too little to measure

3.

Choose every true statement about an neutron.

a)

¨-¨ charge

b)

¨+¨ charge

c)

located in the nucleus

d)

mass 1

e)

mass too little to measure

4.

The picture has 3 electrons, 4 protons and 4 neutrons

Is this an Atom, Ion +, or Ion- ?

a)

Atom

b)

Ion +

c)

Ion -

5.

Click on the picture. Take a look. Which is it?

a)

Atom

b)

Ion -

c)

Ion -

6.

Click on the picture. Take a look. Which is it?

a)

Atom

b)

Ion +

c)

Ion -

7.

The picture shows 3 electrons and 3 protons. Which is it?

a)

Atom

b)

Ion +

c)

Ion -

8.

Click on the picture. Take a look. Which is it?

a)

Atom

b)

Ion +

c)

Ion -

9.

Click on the picture. Take a look. Which is it?

a)

Atom

b)

Ion +

c)

Ion -

10.

Protons ________

Electrons _______

Nuetrons_______

a)

115 protons

115 electrons

288 neutrons

b)

115 protons

173 electrons

288 neutrons

c)

115 protons

173 electrons

173 neutrons

d)

115 protons

115 electrons

173 neutrons

11.

Choose the two truths.

a)

Atomic number 5

b)

Atomic mass 5

c)

Atomic number 11

d)

Atomic mass 11

12.

Choose three truths.

a)

Number of electrons 5

b)

Number of neutrons 5

c)

number of protons 5

d)

number of neutrons 6

e)

number of electrons 6

13.

When the electricity goes in one direction.

a)

direct current

b)

alternating current

14.

When the electricity continually reverses directions. Goes back and forth. Alternates.

a)

direct current

b)

alternating current

15.

Choose the two associated with direct current.

a)

Thomas Edison

b)

Nicola Tesla

c)

d)

16.

Choose the two associated with alternating current.

a)

Thomas Edison

b)

Nicola Tesla

c)

d)

17.

$What\ are\ the\ units\ for\ I?$

a)

volts

b)

amps

c)

ohms $\Omega$

18.

$What\ are\ the\ units\ for\ R?$

a)

volts

b)

amps

c)

ohms $\Omega$

19.

$What\ are\ the\ units\ for\ V?$

a)

volts

b)

amps

c)

ohms $\Omega$

20.

What is the resistance if there are 12 volts and the current is 2 amps?

a)

24 ohms $\Omega$

b)

6 ohms

c)

6

d)

24

21.

Choose the three correct equations

a)

$V\ =\ I\times R$

b)

$I\ =\ VxR$

c)

$R\ =\ V\div I$

d)

$R\ =\ VxR$

e)

$I\ =\ V\div R$

22.

Choose the three correct equations

a)

$V\ =\ I\times R$

b)

$I\ =\ VxR$

c)

$R\ =\ V\div I$

d)

$R\ =\ VxR$

e)

$I\ =\ V\div R$

23.

How much voltage would b necessary to generate 12 amps of current in a circuit that has 3 ohms of resistance?

a)

36

b)

4

c)

36 volts

d)

4 volts

24.

a)

Parallel Circuit

b)

Series Circuit

25.

a)

Parallel Circuit

b)

Series Circuit

26.

What is the nail with all the arrows going the same direction called?

a)

A straight nail.

b)

An arrow nail.

c)

A nail that is now a magnet.

d)

A nail that is now a temporary magnet.

27.

In 1820, who showed there was a connection between electricity and magnetism. When a current was switched on through a wire, it made a compass needle turn so that it was at right angles to the wire.

a)

Oersted

b)

Faraday

28.

In 1831, he hypothesized that a changing magnetic field is necessary to produce a current in a nearby circuit. To test his hypothesis he made a coil by wrapping a paper cylinder with wire.

a)

Oersted

b)

Faraday

29.

This is a...

a)

pretty train

b)

a blue and grey train

c)

a Maglev Train that floats on an electrical field

d)

go bye bye train

30.

Who is credited with the discovery of the direct current?

a)

Thomas Edison

b)

NiKola Tesla

c)

Michael Faraday

d)

Hans Christian Oersted

31.

"a" is called what?

a)

Proton

b)

Neutron

c)

Electron

32.

"b" is called what?

a)

Proton

b)

Neutron

c)

Electron

33.

"c" is called what?

a)

Proton

b)

Neutron

c)

Electron

34.

Like charges,

two negative or two positive charges

will always....

a)

repel

try to get away from each other

b)

attract

try to come together

35.

Unlike charges,

a negative and a positive charge

will always....

a)

repel

try to get away from each other

b)

attract

try to come together

36.

The Van de Graf generator, makes hair stand up because....

a)

It creates static electricity that has

like charges.

b)

It creates static electricity that has

unlike charges.

37.

Which is a parallel circuit?

a)

b)

38.

Which is a series circuit?

a)

b)

39.

Which has brighter lights?

The parallel or the series?

a)

b)

40.

If one light goes out, the others stay on.

The parallel or the series?

a)

b)

41.

If one light goes out, the others go out.

The parallel or the series?

a)

b)

Unit N: Electromagnetism Review

Total questions: 41

Worksheet time: 1hrs 9mins

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