WorksheetsThermal Energy and Heat
Total questions: 27
Worksheet time: 16mins
Work is a transfer of
energy.
force.
mass.
motion.
The energy of motion is called
kinetic energy.
potential energy.
thermal energy.
work.
Which of the following increases when an object becomes warmer?
chemical energy
elastic potential energy
nuclear energy
thermal energy
The energy stored in gasoline is
chemical energy.
electromagnetic energy.
mechanical energy.
nuclear energy.
The total potential and kinetic energy of all the microscopic particles in an object make up its
chemical energy.
electric energy.
nuclear energy.
thermal energy.
Walking converts what type of energy into mechanical energy?
chemical
electromagnetic
nuclear
thermal
Nuclear power plants are designed to convert nuclear energy into what type of energy?
chemical
electrical
geothermal
mechanical
Solar cells convert what type of energy into electrical energy?
chemical
electromagnetic
nuclear
thermal
Which of the following statements is true according to the law of conservation of energy?
Energy cannot be created.
Energy cannot be destroyed.
Energy can be converted from one form to another.
all of the above
Which of the following is a unit of temperature?
Celsius degree
joule
kilogram
calorie
Heat is the transfer of thermal energy from one object to another because of a difference in
specific heat
phase
temperature
waste heat
What property of an object is related to the average kinetic energy of the particles in that object?
specific heat
mass
conducitvity
temperature
As the temperature of an object rises, so does the
kinetic energy of the object.
mass of the object.
thermal energy of the object.
potential energy of the object.
Which of the following devices is based on the property of thermal expansion?
balance
calorimeter
convection oven
thermometer
Thermal energy depends on an object’s
mass.
phase(solid, liquid, gas)
temperature
all of the above
In the formula Q=m x c x ∆T, which quantity represents the specific heat?
c
m
Q
∆T
What does a calorimeter directly measure?
change in temperature
kinetic energy
specific heat
radiation
Energy from the sun reaches Earth mostly by
conduction.
convection.
radiation.
thermal expansion.
Matter is needed to transfer thermal energy by
conduction.
convection.
radiation.
both conduction and convection
Which of the following materials conducts heat well?
glass
plastic
metal
wood
To which of the following does the first law of thermodynamics apply?
heating objects
transferring thermal energy
doing work on a system
all of the above
According to the first law of thermodynamics, the amount of work done by a heat engine equals the amount of
work done on the engine.
waste heat it produces.
thermal energy added to the engine minus the waste heat.
thermal energy added to the engine plus the waste heat.
The second law of thermodynamics states that thermal energy can flow from colder objects to hotter objects
by convection.
only if work is done on the system.
spontaneously.
when thermal expansion takes place.
Which of the following states that absolute zero cannot be reached?
the first law of thermodynamics
the second law of thermodynamics
the third law of thermodynamics
the second and third laws of thermodynamics
Which of the following happens in a steam engine?
Fuel is burned outside the engine.
Heat is converted into work.
Hot steam pushes a piston.
all of the above
In most four-stroke internal combustion engines, when does the piston move downward?
during the compression stroke only
during the compression and exhaust strokes
during the intake and exhaust strokes
during the power and intake strokes
In forced-air heating systems, where are warm-air vents usually located?
above windows
near the floor
next to cold-air ducts
under radiators
