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8th Grade 4th 9 Weeks Test 2 Review

Total questions: 85

Worksheet time: 2hrs 39mins

Name
Class
Date
1.
a)
A
b)
B
c)
C
2.
a)
A & B
b)
B & C
c)
A & C
3.
a)
W
b)
X
c)
Y
d)
Z
4.
a)
W
b)
X
c)
Y
d)
Z
5.
a)
At the top of the slide
b)
At the bottom of the slide
6.
a)
At the top of the slide
b)
At the bottom of the slide
7.
a)
W
b)
X
c)
Y
d)
Z
8.
a)
W
b)
X
c)
Y
d)
Z
9.
a)
Potential
b)
Kinetic
10.
a)
Potential
b)
Kinetic
11.
a)
1
b)
2
c)
3
d)
4
12.
a)
1
b)
2
c)
3
d)
4
13.

This car is moving fast. This is ...

a)

Potential Energy

b)

Kinetic Energy

14.

Energy in motion is ...

a)

Potential Energy

b)

Kinetic Energy

15.

Stored energy is ...

a)

Potential Energy

b)

Kinetic Energy

16.

This apple hanging from a tree is an example of ...

a)

Potential Energy

b)

Kinetic Energy

17.

This turbine is spinning. This is an example of ...

a)

Kinetic Energy

b)

Potential Energy

18.

Water is rising elevation behind a dam (Becoming Higher) This is an example of...

a)

Kinetic Energy

b)

Potential Energy

19.

A rock on the top of the hill is

a)

Gravitational Potential

b)

Gravitational Kinetic

c)

Only Kinetic

d)

Elastic Potential

20.

Food is ...

a)

Chemical Energy

b)

Nuclear Energy

c)

Battery Energy

d)

Elastic Energy

21.

Music is ...

a)

Light Energy

b)

Sound Energy

c)

Elastic Energy

d)

Mechanical Energy

22.

Wires are a sign of ...

a)

Elastic Energy

b)

Rust Energy

c)

Electric Energy

d)

Chemical Energy

23.

Thermal energy is ...

a)

Heat

b)

Music

c)

Food

d)

Earth

24.

Gasoline, batteries and food are all ...

a)

Elastic Energy

b)

Light Energy

c)

Chemical Energy

d)

Sound Energy

25.

Gravitational energy is...

a)

energy in motion

b)

energy that is stored due to elevation (height)

c)

Sound

d)

energy that is mobile

26.

Light can also be called ...

a)

Thermal Energy

b)

Radiant Energy

c)

Heat Energy

d)

Sound Energy

27.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
28.
Where is potential energy converting to kinetic energy
a)
D-G
b)
C-F
c)
A-D
d)
A-G
29.
In order to INCREASE the potential energy of an object, you need to:
a)
put the object lower to the ground
b)
raise the object higher
30.
What is energy?
a)
rate of work
b)
Motion of an object
c)
ability to do work
d)
force over time
31.

What are the two factors that affect kinetic energy?

a)

time and energy

b)

power and mass

c)

mass and velocity

d)

time and work

32.
What is the unit of measurement for kinetic energy
a)
Newton
b)
Joule
c)
Watt
d)
Kilogram
33.

True or False: The Law of Conservation of Energy says that energy cannot be created or destroyed it can only change forms.

a)

True

b)

False

34.

When Kinetic Energy is High then Potential Energy is _______

a)

High

b)

Low

35.

Potential and Kinetic Energy have a _______________ relationship. When one goes up the other goes down

a)

inverse

b)

direct

36.

An example of Kinetic Energy is:

a)

Stretching a rubber band

b)

Bike moving down a Hill

c)

Ball at the top of a hill

d)

squishing a spring

37.

An example of Potential Energy is:

a)

squishing a spring

b)

Bike moving down a Hill

c)

Roller Coaster moving

38.

Energy causing a "magical" push or pull is...

a)

Magnetic Energy

b)

Thermal Energy

c)

Nuclear Energy

d)

Chemical Energy

39.

Energy of moving particles (heat) is called...

a)

Elastic Energy

b)

Electrical Energy

c)

Thermal Energy

d)

Gravitational Energy

40.

Energy in nuclear power plants and radioactive things is called...

a)

Nuclear Energy

b)

Elastic Energy

c)

Magnetic Energy

d)

Electrical Energy

41.
Which would have the greatest gravitational potential energy?
a)
A 4lb rat on a school desk
b)
A 45lb dog in an oak tree
c)
A 14 pound platypus on a swing
d)
A 45lb child on a bike
42.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
43.
Energy can be _____________ or changed from one type to another.
a)
destroyed
b)
transferred
c)
created
d)
ignored
44.
Energy stored in the bonds between atoms.
a)
Elastic
b)
Gravitational
c)
Chemical
d)
Nuclear
45.
The process by which energy is transferred from a warmer object to a cooler object by means of physical contact
a)
Thermal Energy
b)
Convection
c)
Radiation
d)
Conduction
46.
The flow of energy from an object at a higher temperature to an object at a lower temperature.
a)
heat
b)
temperature
c)
radiation
d)
conduction
47.
Energy that travels across distances in the form of electromagnetic waves. 
a)
Convection
b)
Radiation
c)
Conduction
d)
Induction
48.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
49.
Convection is heat transfer by-
a)
Touch
b)
Circles
c)
Waves
50.
Radiation is heat transfer by-
a)
Touch
b)
Circles
c)
Waves
51.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
52.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
53.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
54.
Which example below is an example of conduction?
a)
Boiling macaroni
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
55.
Which example below is an example of radiation?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
56.
Convection could occur in which of the materials below?
a)
A block of wood
b)
The ocean
c)
A bowl of ice cream
d)
In space
57.
This form of energy could be represented by the movement of electrons within copper wires.
a)
Electrical
b)
Light
c)
Sound
d)
Mechanical
58.
What form of energy is defined as, "the total potential and kinetic energy of an object".
a)
Potential
b)
Mechanical
c)
Kinetic
d)
Electrical
59.
What type of energy is best represented by a battery?
a)
Sound
b)
Thermal
c)
Mechanical
d)
Chemical
60.
A TV does not give off this type of energy.
a)
Light
b)
Thermal
c)
Sound
d)
Solar
61.
What type of energy transfer is most likely responsible when a plant converts the suns energy into food?
a)
Chemical to Solar
b)
Solar to chemical
c)
Light to electrical
d)
Electrical to chemical
62.
What form of energy transfer is most likely responsible when your clothes dryer dries your clothes?
a)
Potential to Chemical to Nuclear
b)
Kinetic to Thermal to Light
c)
Chemical to Mechanical to Electrical
d)
Electrical to Mechanical to Thermal
63.

Chemical, Elastic, Nuclear, and Gravitational Energies are all ______________________ energy.

a)

Potential

b)

Kinetic

64.

Fire is an example of what two energies?

a)

Electrical and Sound

b)

Mechanical and Sound

c)

Light and Thermal

d)

Chemical and Elastical

65.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
66.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
67.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
68.
What machine changes chemical energy into heat, light and sound energy
a)
blender
b)
firecracker
c)
lightbulb
d)
apple
69.
Conduction can only occur between two objects when –
a)
one object is less dense than the other.
b)
both objects are in physical contact with each other.
c)
one of the objects is made of a metal.
d)
both objects are exactly the same temperature.
70.
In the situation illustrated, how will heat energy move? Heat energy will be transferred from –
a)
the water to the hot plate by convection.
b)
the water to the hot plate by conduction.
c)
the hot plate to the water by convection.
d)
the hot plate to the water by conduction.
71.
Radiation is a method of thermal energy transfer that moves -
a)
through empty space.
b)
when objects touch.
c)
only through solids.
d)
in the motion of fluids.
72.
An example of a situation in which an egg is receiving thermal energy through convection -
a)
The egg is kept warm by its mother in the nest.
b)
An egg cracked on a hot sidewalk starts to cook.
c)
The egg is hard boiled in a pot of water.
d)
A metal pan on the stove fries the egg.
73.
What two kinds of heat transfer are represented?
a)
stove→pot=radiation pot→egg=conduction
b)
stove→pot=conduction pot→egg=radiation
c)
stove→pot=convection pot→egg=conduction
d)
stove→pot=conduction pot→egg=convection
74.
Which container allowed the most transfer of thermal energy from the water to the environment?
a)
Glass
b)
Wood
c)
Paper
d)
Plastic
75.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
76.

What is the BEST reason cooking pots are made out of the materials aluminum, copper, and sometimes glass?

a)

They are able to stop the flow of heat.

b)

They are good conductors of heat.

c)

They keep the same amount of heat.

d)

They are good insulators of heat.

77.
What is heat?
a)
a basketball team
b)
thermal energy
c)
electricity
d)
light energy
78.
In the winter, some people heat their homes by burning logs in the fireplace.  How does the heat from the fire get to the other side of the room?
a)
it travels through the carpet by conduction
b)
it travels through the air by convection
c)
it travels through the carpet by radiation
d)
it travels with the smoke by condensation
79.

A cooking smoker, used to cook meats, works by allowing the warm air filled with smoke to rise to the meat, while the cooler air sinks closer to the fire. What type of heat transfer is responsible for smoking the meat?

a)

Electrical

b)

Radiation

c)

Convection

d)

Conduction

80.

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

a)

The chemical energy stored in the match changed to thermal energy and light energy.

b)

The thermal energy stored in the match changed to light energy and chemical energy.

c)

The light energy and thermal energy stored in the match changed to mechanical energy.

d)

The light energy and thermal energy stored in the match changed to chemical energy.

81.

During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?

a)

radiation and conduction

b)

conduction and convection

c)

radiation and electricity

d)

convection and radiation

82.

What transfer of heat is responsible for cooking the chicken?

a)

radiation

b)

convection

c)

electrical

d)

conduction

83.

Which of these actions, on their own, will cause ice to change to water? Remember, hot --- > cold

a)

removing heat from the ice

b)

adding sand to the ice

c)

crushing the ice

d)

adding heat to the ice

84.
Matter will change from one state to another if thermal energy is _______.
a)
released
b)
absorbed
c)
all of the above
d)
none of the above
85.
As the thermal energy of a substance increases, its particles spread out and the substance expands.
a)
True
b)
False

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