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Chapter 12 Review

Total questions: 38

Worksheet time: 38mins

Name
Class
Date
1.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
2.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
3.

What is energy?

a)

something that picks up things, like a magnet.

b)

Motion of an object

c)

ability to do work

d)

magic rays of sunshine that come down when you're feeling blue.

4.

Energy stored because of gravity is called:

a)

Gravitational Potential Energy

b)

Kinetic Energy

c)

Mechanical Advantage

d)

Chemical Energy

5.

Which would have the LEAST gravitational potential energy (GPE)?

a)

A ball sitting on the ground

b)

Moon viewed from the Earth

c)

An airplane flying 30,000 feet above the ground

d)

A rock sitting on top of Mt. Everest

6.

Gravitational potential energy depends on the strength of gravity, ________ and ________ of the object.

a)

height and mass

b)

friction and movement

c)

mass and movement

d)

height and friction

7.

Which is the correct unit for expressing gravitational potential energy?

a)

Joule

b)

Newton

c)

m/s2

d)

meter

8.

Which of the following is the correct equation for calculating an object's gravitational potential energy?

a)

PE = mgh

b)

PE = mg / h

c)

PE = mg + h

d)

PE = gh

9.

How does heat move?

a)

From cooler objects to warmer objects.

b)

From warmer objects to cooler objects

c)

From metal objects to nonmetal objects

d)

Very quickly in all directions

10.
What is the transfer of heat by movement of liquids or gases?
a)
Radiation
b)
Convection
c)
Conduction
d)
Heat
11.
What is the transfer of heat by direct contact?
a)
Convection
b)
Electromagnetic waves
c)
Radiation
d)
Conduction
12.
A chair is several feet from a fireplace. The side of the chair facing the fireplace gets warm due to
a)
conduction
b)
convection
c)
radiation
13.

Boiling Water

a)

Conduction

b)

Convection

c)

Radiation

14.
heat from a fire
a)
conduction (solids/TOUCH)
b)
radiation
c)
convection (liquids/gases)
15.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
16.
A material was cooled from 100ºC to 40ºC.  What is the temperature change?
a)
60ºC
b)
40ºC
c)
-60ºC
d)
-40ºC
17.

The amount of energy required to raise the temperature 1ºC for every gram is called____?

a)

Thermal Energy

b)

Specific Heat

c)

Temperature

d)

Kinetic Energy

18.

What is the equation for specific heat capacity?

a)

Q=mcΔTQ=mc\Delta T

b)

Q=mcΔTQ=\frac{mc}{\Delta T}

c)

Q=ΔTmcQ=\frac{\Delta T}{mc}

d)

Q=cΔTmQ=\frac{c\Delta T}{m}

e)

Q=mΔcTQ=m\Delta cT

19.

What are the units for specific heat capacity?

a)

J kg / °C

b)

J / kg / °C

c)

J / °C

d)

J / kg

e)

J/ kg °C

20.

If  Q=mcΔTQ=mc\Delta T  , what is ΔT\Delta T   

a)

ΔT=Qmc\Delta T=\frac{Q}{mc}  

b)

ΔT=mcQ\Delta T=\frac{mc}{Q}  

c)

ΔT=Qmc\Delta T=Qmc  

d)

ΔT=mQc\Delta T=\frac{m}{Qc}  

e)

c=QmΔTc=\frac{Q}{m\Delta T}  

21.
The first law of thermodynamics states that energy is
a)
created
b)
destroyed
c)
conserved
d)
created and destroyed
22.

Insulator

a)

A material the energy does NOT transfer through easily

b)

A material that thermal energy travels through easily

c)

The measure of the kinetic energy of an object’s molecules

23.

Conduction

a)

The transfer of thermal energy through solids

b)

The transfer of thermal energy through liquids and gases

c)

The transfer of thermal energy as electromagnetic waves

24.

In an adiabatic process, what equals zero?

a)

Q

b)

W

c)

ΔU

d)

T

25.
What does the "U" stand for the formula ∆U = Q + W
a)
Heat
b)
Temperature
c)
Work
d)
Internal energy
26.

In Isothermal process which property remains constant

a)

Volume

b)

Pressure

c)

Concentration

d)

Temperature

27.
The length the piston moves from top to bottom or bottom to top is called
a)
Stroke
b)
Bore
c)
Movement
d)
Lenght
28.
What is the order of operation of a 4 stroke engine
a)
Intake, Power, Compression, Exhaust
b)
Exhaust, Intake, Compression, Power
c)
Intake, Compression, Power, Exhaust
d)
Compression, Exhaust, Power, Intake
29.

During the first stroke (Intake), what valves are open-if any?

a)

Both closed

b)

Intake valve open, Exhaust closed.

c)

Both are open

d)

Intake valve closed, Exhaust valve open.

30.
During the compression stroke the piston moves________
a)
up
b)
in both directions
c)
the hot gasses out of the cylinder
d)
down
31.
During the power stroke the piston moves________
a)
up
b)
down slighty
c)
in both directions
d)
down
32.
During the exhaust stroke the piston moves________
a)
up
b)
in both directions
c)
the head bolts
d)
down
33.

What is it?

a)

chamber

b)

valve

c)

piston

d)

spark plug

34.

A car is traveling with a velocity of 40 m/s and has a mass of 20 kg. The car has (a)   energy.

35.

A cinder block is sitting on a platform 20 m high. It weighs 5 kg. The block has potential energy. Calculate it.

(a)  

36.

W=0

∆U = Q

This is process is called (a)   (adiabatic/isothermal/isovolumetric)

37.

∆U = 0

Q = W

This process is called (a)   (isothermal/isovolumetric/adiabatic)

38.

Q = 0

∆U = -W

This process is called (a)   (Isothermal/Isovolumetric/Adiabatic)