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WorksheetsHeat Transfer and Temperature Concepts
Total questions: 51
Worksheet time: 32mins
Which of the following best describes temperature?
Number of molecules
Motion of molecules
Size of molecules
Type of molecules
When you heat a pot on a stove, the handle gets warm. Which type of heat transfer is responsible?
Conduction
Radiation
Convection
All of the above
Which of the following best describe a vacuum?
Hot
Cold
Shiny
Empty
Heat from the Sun reaches Earth through which type of heat transfer?
Conduction
Radiation
Convection
All of the above
Convection currents occur:
Only in liquids
When a dense substance is warmer than a less dense substance
In both liquids and gases
Weakly in solids
When you use a microwave, what is the main way that heat is transferred?
Convection
Conduction
Radiation
insulation.
An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through
conduction
convection
radiation
You get sunburned due to __________ from the sun.
conduction
convection
radiation
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
radiation
conduction
convection
insulation
Energy transfer during which hot fluid rises and cold fluid sinks, creating a cycle, is called...
Heat
Convection
Radiation
Conduction
How does heat flow?
in the direction of the highest entropy
from warm object to cold object
from colder to warmer object
Thermodynamics is the study of ---
efficient coal mining practices
steam engines in history
heat energy turning into other forms of energy
thermometers
Any process that increases the volume of a given mass of gas is called ---.
specific heat
compression
thermodynamics
expansion
The first law of thermodynamics is based on what essential idea?
Thermal equilibrium is reached between two or more objects in direct contact
Energy is conserved in thermodynamic systems
No engine can be 100% efficient
A system can have zero energy if it is cooled to 0 K.
Adding heat to the System ____ the energy of the Surroundings.
increases
decreases
The second law of thermodynamics deals with ---
the total amount of energy in a system.
the transfer of heat from one object to another.
the conservation of energy in a closed system.
with the direction taken by spontaneous processes.
Which process involves the transfer of heat between objects by direct contact?
Radiation
Convection
Conduction
Entropy
What is convection?
The form of heat transfer where energy is transferred through waves.
The form of heat transfer where energy transition occurs within a liquid or gas.
The form of heat transfer that involves electromagnetic radiation.
The form of heat transfer that increases the entropy in a system.
How does radiation allow for heat transfer?
Through the direct contact of two objects.
By the movement of fluids or gases.
By the emission or absorption of electromagnetic radiation.
By increasing the disorder in a system.
What process is depicted in the first diagram where warm molecules rise and cool molecules sink?
Radiation
Conduction
Convection
Evaporation
What is the term used to describe the transfer of thermal energy through empty space, as shown in the second diagram?
Convection
Conduction
Radiation
Insulation
In an endothermic reaction, heat is ...
taken in
given out
What type of reaction is this?
Exothermic
Endothermic
Kinetic
Potential
A melting ice cube is an example of
exothermic
endothermic
none
both
The graph above is from which type of reaction?
Endothermic reaction
Exothermic reaction
Baking pizza in the oven
endothermic
exothermic
Ice cubes in your glass of soda melt.
endothermic
exothermic
A sunflower makes food during photosynthesis.
exothermic
endothermic
You freeze juice to make ice pops.
exothermic
endothermic
Photosynthesis
Exothermic
Endothermic
Which statement is true, based on the information in the graphic?
Only gas particles are in constant motion
Which states of matter are fluid?
gases and liquids
liquids and solids
gases only
liquids only
Which best describes the kinetic energy of particles in a solid?
lowest amount of energy
more energy than solids but less than gases
more energy than solids or liquids
less energy than solids but more than liquids
Define kinetic energy
energy of motion
static energy
stored energy
energy use
What happens to matter as its temperature increases?
The average kinetic energy of its particles decreases
The average thermal energy of its particles decreases
The particles gain kinetic energy
The particles lose potential energy
the color of the gas
The energy of movement is ___.
potential energy
kinetic energy
mechanical energy
The more energy that particles have, the ___ they move.
slower
faster
The force of attraction between molecules is ___.
intermolecular forces
bridge forces
chemical bonds
These properties describe a ___.
solid
liquid
gas
These properties describe a ___.
solid
liquid
gas
These properties describe a ___.
solid
liquid
gas
Collisions in which particles transfer all their kinetic energy to other particles are called ___.
elastic
inelastic
Which one of these is NOT an Ideal Gas Assumption?
Gas particles are hard, round spheres.
Gas particles are strongly attracted to one another.
Gas particles do not take up space.
Gas particles collide perfectly elastically.
Liquid particles have more energy than ___ particles.
solid
gas
The particles of ___ generally have the least amount of energy.
solids
liquids
gases
