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Chapter Test A , Thermal Energy
I. Testing Concepts
Directions: In the blank at the left, write the letter of the term that best completes each statement.
_________ 1. The ______ of an object is a measure of the average kinetic energy of the
particles in the object.
a. heat b. temperature c. conductivity d. charge
_________ 2. The sum of the kinetic and potential energy of the particles in an object is
the ______ of the object.
a. Heat b. state c. temperature d. thermal energy
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Chapter Test A , Thermal Energy
_________ 3. ______ is thermal energy that is transferred from something at a higher
temperature to something at a lower temperature.
a. Heat b. State c. Plasma d. Charge
_________ 4. The amount of heat that is needed to raise the temperature of 1 kg of
some material by 1°C is called the ______ of the material.
a. specific heat b. state c. temperature d. charge
_________ 5. ______ is the transfer of thermal energy by collisions between particles
in matter.
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Chapter Test A , Thermal Energy
a. Convection b. Radiation c. Conduction d. Contact
_________ 6. ______ is the transfer of energy by electromagnetic waves.
a. Convection b. Radiation c. Conduction d. Contact
Directions: Identify each statement as true or false. If the statement is false, change the underlined word(s) to
make it true.
_________ 7. A material in which thermal energy is transferred slowly is a conductor.
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Chapter Test A , Thermal Energy
_________ 8. A material in which thermal energy is transferred rapidly is an insulator.
_________ 9. Passive solar heating systems use solar collectors.
_________ 10. The study of the relationships among thermal energy, heat, and work is called dynamics.
_________ 11. A device that converts mechanical energy to thermal energy is a heat engine.
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Chapter Test A , Thermal Energy
_________ 12. The heat engine in a car is an internal combustion engine.
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Chapter Test A , Thermal Energy CONTINUED
II. Understanding Concepts
Skill: Making Tables
Directions: Use the terms burns fuel, internal combustion, and external combustion to complete the table
below comparing three kinds of engines.
1. Gasoline 2. Diesel 3. Steam
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Chapter Test A , Thermal Energy CONTINUED
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Chapter Test A , Thermal Energy CONTINUED
Skill: Making Generalizations
Directions: Answer the following questions on the lines provided.
4. State What does the first law of thermodynamics state?
5.State What does the second law of thermodynamics state?
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Chapter Test A , Thermal Energy CONTINUED
6.Explain the general relationship between temperature and thermal energy.
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Chapter Test A , Thermal Energy CONTINUED
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Chapter Test A , Thermal Energy CONTINUED
7. Reason Why does ice cream melt when you are holding it in a cone but not when it is sitting in the
freezer? Answer in terms of particles.
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Chapter Test A , Thermal Energy CONTINUED
III. Applying Concepts
Writing Skills
Directions: Use the figure below to answer questions 1–4. In the blank at the left, write the letter of the term
or phrase that completes each statement or answers the question.
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Chapter Test A , Thermal Energy CONTINUED
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Chapter Test A , Thermal Energy CONTINUED
_________ 1. How will the thermal energy from the pot in room A move to its handle?
a. convection b. radiation c. conduction d. both a and b
_________ 2. Thermal energy is transferred to the sunbather in room B by ______.
a. convection b. radiation c. conduction d. both a and b
_________ 3. Where does most of the thermal energy provided by the fire in room C go?
a. up the chimney b. into the room c. to the people d. none of these
_________ 4. In room C, thermal energy is transferred to the people by ______.
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Chapter Test A , Thermal Energy CONTINUED
a. convection b. conduction c. radiation d. both a and c
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