WorksheetsChapter 12 Review
Total questions: 38
Worksheet time: 38mins
What is energy?
something that picks up things, like a magnet.
Motion of an object
ability to do work
magic rays of sunshine that come down when you're feeling blue.
Energy stored because of gravity is called:
Gravitational Potential Energy
Kinetic Energy
Mechanical Advantage
Chemical Energy
Which would have the LEAST gravitational potential energy (GPE)?
A ball sitting on the ground
Moon viewed from the Earth
An airplane flying 30,000 feet above the ground
A rock sitting on top of Mt. Everest
Gravitational potential energy depends on the strength of gravity, ________ and ________ of the object.
height and mass
friction and movement
mass and movement
height and friction
Which is the correct unit for expressing gravitational potential energy?
Joule
Newton
m/s2
meter
Which of the following is the correct equation for calculating an object's gravitational potential energy?
PE = mgh
PE = mg / h
PE = mg + h
PE = gh
How does heat move?
From cooler objects to warmer objects.
From warmer objects to cooler objects
From metal objects to nonmetal objects
Very quickly in all directions
Boiling Water
Conduction
Convection
Radiation
The amount of energy required to raise the temperature 1ºC for every gram is called____?
Thermal Energy
Specific Heat
Temperature
Kinetic Energy
What is the equation for specific heat capacity?
Q=mcΔT
Q=ΔTmc
Q=mcΔT
Q=mcΔT
Q=mΔcT
What are the units for specific heat capacity?
J kg / °C
J / kg / °C
J / °C
J / kg
J/ kg °C
If Q=mcΔT , what is ΔT
ΔT=mcQ
ΔT=Qmc
ΔT=Qmc
ΔT=Qcm
c=mΔTQ
Insulator
A material the energy does NOT transfer through easily
A material that thermal energy travels through easily
The measure of the kinetic energy of an object’s molecules
Conduction
The transfer of thermal energy through solids
The transfer of thermal energy through liquids and gases
The transfer of thermal energy as electromagnetic waves
In an adiabatic process, what equals zero?
Q
W
ΔU
T
In Isothermal process which property remains constant
Volume
Pressure
Concentration
Temperature
During the first stroke (Intake), what valves are open-if any?
Both closed
Intake valve open, Exhaust closed.
Both are open
Intake valve closed, Exhaust valve open.
What is it?
chamber
valve
piston
spark plug
A car is traveling with a velocity of 40 m/s and has a mass of 20 kg. The car has (a) energy.
A cinder block is sitting on a platform 20 m high. It weighs 5 kg. The block has potential energy. Calculate it.
(a)
W=0
∆U = Q
This is process is called (a) (adiabatic/isothermal/isovolumetric)
∆U = 0
Q = W
This process is called (a) (isothermal/isovolumetric/adiabatic)
Q = 0
∆U = -W
This process is called (a) (Isothermal/Isovolumetric/Adiabatic)
