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2. Elec, Mag, Energy Resource TEST AND REVIEW

Total questions: 92

Worksheet time: 1hrs 2mins

Name
Class
Date
1.
Any material that attracts iron and materials that contain iron
a)
maglite
b)
Magnet
c)
magnetism
d)
electricity
2.
The attraction or repulsion of magnetic materials
a)
maglite
b)
magnet
c)
mgnetism
d)
electricity
3.
The ends of a magnet are called
a)
magnetic poles
b)
north
c)
south
d)
magnetic opposites
4.
Two south magnetic poles brought near each other
a)
repel each other
b)
attract each other
c)
Cancel each other
d)
magnetize each other
5.
A north and a south pole will ______ when put together
a)
attract
b)
repel
c)
talk
d)
do nothing
6.
The area of magnetic force around a magnet is known as its 
a)
magnet
b)
magnetic area
c)
magnetism
d)
magnetic field
7.
The Earth's magnetic pole changes location
a)
True
b)
False
8.
All electric currents produces a magnetic field
a)
True
b)
False
9.
The relationship between electricity and magnetism is called
a)
scary
b)
magnet role reversal
c)
electromagnetism
d)
magneteel
10.
A coil of wire with a current is called 
a)
spring
b)
solenoids
c)
magnet
d)
current
11.
A solenoid with a ferromagnetic core is called a
a)
battery
b)
solenoid
c)
magnet
d)
electromagnet
12.
You can increase the strength of an electromagnet by
a)
change position of compass
b)
adjusting decline
c)
using a stronger ferronmagnetic material
d)
reverse pole
13.
You can increase the strength of an electromagnet by
a)
Adding elctromagnet
b)
Adding more nails
c)
not using a battery
d)
Using direct current
14.
Both solenoids and electromagnets produce magnetic fields using 
a)
Electric current and coiled wire
b)
Electric current and fields
c)
battery and coiled wire
d)
battery and a camera
15.
The energy associated with currents ia called
a)
mechanical
b)
magnetism
c)
geothermal
d)
electrical
16.

The brushes in an electric motor

a)

the split rings that rotate in a motor

b)

the coil that create the electromagnetic field

c)

Are spring loaded connectors that carry electricity to the rotor by brushing against the commutator as it rotates

d)

the magnets surrounding the rotor

17.

The commutator is

a)

The spring-loaded connections that keep contact with the stator

b)

the split ring that swaps the coils ends between positive and negative as the coil rotates

c)

the magnets that cause the electromagnet to attract and repulse

d)

the coil that is also known as the armature

18.

The greater the number of windings (the number of times it is wrapped around) in an electromagnet's coil

a)

the stronger the magnet is

b)

the less the magnet will pick up

c)

the more current it takes to create the electromagnet

d)

the slower the compass needle moves to the wire

19.
A particle that carries a negative electric charge is called a(n) ______.
a)
neutron
b)
atom
c)
proton
d)
electron
20.
When you charge an electroscope by touching it with a charged balloon, the process is called _____.
a)
friction
b)
conduction
c)
induction
d)
grounding
21.
The potential difference that causes charges to move in a circuit is ___.
a)
voltage
b)
resistance
c)
current
d)
electric discharge
22.
An example of a voltage source is a _____.
a)
voltmeter
b)
battery
c)
resistance
d)
switch
23.
A circuit that is connected to Earth is said to be _____.
a)
series
b)
parallel
c)
grounded
d)
discharged
24.
Your hair might be attracted to your comb as your hair and the combe become oppositely charged.
a)
true
b)
false
25.
A neutral object becomes negatively charged when it loses electrons.
a)
true
b)
false
26.
Conduction is the process of charging an object without touching it.
a)
true
b)
false
27.
Electrical resistance is low in a good conductor.
a)
true
b)
false
28.
A circuit breaker contains a thin strip of metal that melts if too much current passes through it.
a)
true
b)
false
29.

What is magnetism?

a)

the distance between two magnets

b)

the force

c)

the force where objects are attracted to or repelled from one another

d)

the study of magnets

30.

To push or pull is called...

a)

a force

b)

iron

c)

induced magnetism

d)

temporary magnet

31.

When two magnets pull toward one another, we say they

a)

attract

b)

repel

c)

force

d)

magnetize

32.

When two magnets pull away from each other, we say they

a)

attract

b)

repel

c)

force

d)

magnetize

33.

Why do magnets stick to steel?

a)

They are temporary magnets.

b)

They have induced magnetism.

c)

It is mostly made of magnetite.

d)

It is mostly made of iron.

34.

When a magnet comes close to or touches a piece of iron, the object becomes

a)

a temporary magnetic

b)

induced magnetism

c)

magnetic force

d)

iron

35.

What happens when a steel nail behaves like a magnet when it is touching a permanent magnet?

a)

magnetism is induced

b)

it becomes iron

c)

nothing is attracted to it

d)

it repels

36.

Select all that would stick to a magnet.

a)

magnetite

b)

penny

c)

paperclip

d)

steel nail

37.

The greater the distance between two magnets

a)

the stronger the force

b)

the weaker the force

38.

What is the rock that sticks to magnets?

a)

granite

b)

calcite

c)

feldspar

d)

magnetite

39.

The needle on a compass will automatically point to another magnet because

a)

it is made of iron

b)

it is steel

c)

the compass is a magnet

40.

Every magnet has two poles.

a)

True

b)

False

41.

When you hold two magnets, you can feel the magnets pulling toward each other or pushing away from each other.

a)

True

b)

False

42.

When two north poles are brought near each other they attract.

a)

True

b)

False

43.

When two south pole magnets are brought near each other they repel.

a)

True

b)

False

44.

When a north and a south pole come together they attract.

a)

True

b)

False

45.

Select all the variables that affected the number of washers it took to break the force of attraction.

a)

The force in which the washers were placed in the cup.

b)

The strength of the magnets.

c)

If the washers were stacked or scattered

d)

The strength of the washers.

46.

What objects can help us detect a magnetic field?

a)

wood

b)

yarn

c)

plastic

d)

iron

47.

Select all that would not attract to a magnet.

a)

rubber band

b)

craft stick

c)

straw

d)

washer

48.

Select all the magnetic force can act through

a)

air

b)

book

c)

cardboard

d)

plastic

e)

cloth

49.
What characteristic do all renewable resources share?
a)
Produced by waste products
b)
Form underground from dead organisms.
c)
Replaced in a short period of time
d)
Allow energy to pass through them easily
50.
Which of the following is a fossil fuel?
a)
Wind
b)
Coal
c)
Solar
d)
Biomass
51.
Petroleum and natural gas form from...
a)
strong winds
b)
cooled magma
c)
radioactive materials
d)
remains of plants and animals 
52.
Hydroelectric power produces electricity using.....
a)
Wind
b)
Sunlight
c)
Moving water
d)
Dung
53.
The careful use of a resource is....
a)
recycling
b)
pollution
c)
depositing
d)
conservation
54.
 Energy from the sun is known as......... 
a)
hydroelectric energy
b)
geothermal energy
c)
solar energy
d)
wind energy
55.
The energy resource that is most affected by change in weather is_____________?
a)
geothermal 
b)
wind
c)
nuclear
d)
natural gas
56.
Fossil fuels are classified as nonrenewable because they.......
a)
require expensive equipment
b)
take millions of years to replace
c)
can be found all over 
d)
provide all the energy we use
57.
What is biomass? 
a)
energy from the sun
b)
energy from water
c)
energy from wind
d)
energy from plant and animal waste
58.
What are two advantages of geothermal energy?
a)
cheap and a lot pollution
b)
expensive and a lot of pollution
c)
cheap and little pollution
d)
expensive and little pollution
59.
The type of energy that cattle create is ________? 
a)
biomass
b)
solar
c)
natural gas
d)
nuclear
60.
All of the following are nonrenewable resources EXCEPT
a)
Coal
b)
animals
c)
petroleum (oil)
d)
natural gas
61.
I am-*a solid*mined from the ground*made from ancient dead trees*a nonrenewable resourceWhat am I?
a)
natural gas
b)
coal
c)
plants
d)
water
62.

Which statement is true about coal and natural gas?

a)

Both are renewable resources

b)

Both require wind in order to work

c)

Both lead to greenhouse gases and climate change

d)

Neither one causes global warming

63.

Which of the following is a disadvantage of fossil fuels?

a)

Not easily available

b)

causes pollution when burned

c)

only available at certain times

d)

creates long lasting waste

64.

A group of non-renewable resources, called ______________, include coal, oil, and natural gas.

a)

Fossils

b)

Energy

c)

Resources

d)

Fossil fuels

65.

We can get energy from coal by...

a)

Breaking it down

b)

Digging it up

c)

Burning it

d)

Rubbing it together

66.

What is geothermal energy?

a)

A power plant.

b)

Heat energy generated and stored in the Earth.

c)

Nuclear Energy

d)

A nonrenewable resource

67.
Petroleum and natural gas form from...
a)
strong winds
b)
cooled magma
c)
radioactive materials
d)
remains of plants and animals 
68.
What are the 3 main fossil fuels?
a)
Coal, Oil, and Gasoline
b)
Coal, Oil, and Natural Gas
c)
Electricity, Gasoline, Petroleum
d)
Coal, Oil, Non-renewable Resources
69.
Fossil Fuels formed over long periods of time after particles in water settled to the sea floor and formed marine mud.  What kinds of particles needed to be present in the marine mud in order for fossil fuels to form.
a)
Mostly sand and a few small bits of wood
b)
Mostly decaying organisms
c)
Mostly lava and a few sedimentary rocks
d)
Mostly metal minerals
70.
Which layer formed first?
a)
Rock Layer W
b)
Rock Layer X
c)
Rock Layer Y
d)
Rock Layer Z
71.
Oil formation occurs where, millions of years ago, there were large oceans.  This is because oceans have - 
a)
waves that are constantly moving 
b)
great numbers of tiny marine animals
c)
currents that mix the water thoroughly
d)
deep caverns where no light can reach
72.
Fossil fuels are classified as nonrenewable because they.......
a)
require expensive equipment
b)
take millions of years to replace
c)
can be found all over 
d)
provide all the energy we use
73.

5. The Earth provides humans with an unlimited amount of fossil fuels. They are considered renewable.

a)

True

b)

False

74.
6. Gasoline comes from which fossil fuel?
a)
Coal
b)
Petroleum
c)
Natural Gas
75.
7. Which fossil fuel is the remains of ancient plants?
a)
Coal
b)
Petroleum
c)
Natural Gas
76.
Formed from dead marine organisms
a)
Oil and Natural Gas
b)
Coal
c)
Fossil Fuels
77.

This is the cleanest burning of the fossil fuels:

a)

Natural Gas

b)

Coal

c)

Petroleum

d)

Shale

78.
Crude oil is also called what?
a)
biomass
b)
fossils
c)
coal
d)
petroleum
79.
Why is Coal a useful energy source?
a)
Stored and used later
b)
Cheap
c)
Transportation doesn't involve high amount of upkeep
d)
All of the above
80.
Decayed matter from plants and animals is called________
a)
Organic matter
b)
feces
c)
methanol
d)
popcorn
81.
How do we get natural gas?
a)
from scientists
b)
geological survey
c)
the gas pump
d)
drilling and harvesting wells
82.
The rise of importance of this fossil fuel was related to the invention of the internal combustion engine and rise in commercial aviation.  It is associated with transportation. 
a)
Coal
b)
Oil/ Petroleum
c)
Natural Gas
83.
Exxon Valdez and the BP Horizon are just 2 of the many examples of disasters involving spills of this fossil fuel into marine environments. 
a)
Coal
b)
Oil/ Petroleum
c)
Natural Gas
84.
This country consumes a significantly larger amount of oil than it produces, making it dependent upon oil imports. 
a)
Germany
b)
Saudi Arabia
c)
Venezuela
d)
United States
85.
Natural Gas____________
a)
produces less greenhouse gas than coal
b)
is transported by truck in a liquid form
c)
will be depleted by 2020 at the current usage rate
d)
discovered by Bunsen in 1885
86.
Which of these is not a fossil fuel?
a)
Coal
b)
Oil
c)
Olive Oil
d)
Natural Gas
87.
What is coal made of?
a)
decomposed animal and plant remains
b)
water
c)
electricity
d)
all of the above
88.
What is the definition of a renewable resource?
a)
things that don't run out
b)
things that do run out
c)
stuff that makes things happen
d)
none of the above
89.
Which of the following is not a fossil fuel?
a)
natural gas
b)
electricity
c)
oil
d)
petroleum
90.
What is a problem that is linked to the burning of fossil fuels?
a)
Global Warming
b)
geothermal energy
c)
solar power panels
d)
none of the above
91.

What is a biofuel?

a)

A liquid extracted from the waste of living creatures or from plants

b)

The sun - whch is the source of energy for plants

c)

Energy provided by the physical efforts of people or animals

d)

Fuel generated from genetically modified organisms

92.

of the most common biofuels today, one is often added to gasoline. Which one is this?

a)

Corn Syrup

b)

Ethanol

c)

Biodiesel

d)

Supranol