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Physical Science - Thermal Energy
Test Description: Thermal Energy is a form of energy that can be transferred as well as converted into other forms of energy.
Instructions: Answer all questions to get your test result.
1) The atoms and molecules that make up matter are in continuous, ____________ motion.
A
random
B
happy
C
static
D
frozen
2) The ability to do work or cause change is called ___________.
A
heat
B
energy
C
watts
D
temperature
3) Mass per unit volume of a substance is called ___________.
A
weight
B
velocity
C
density
D
time
4) The sum of the potential energy and kinetic energy in a system is called _______________ energy.
A
potential energy
B
mechanical energy
C
elastic energy
D
chemical energy
5) A device that transforms radiant energy from the Sun into thermal energy is called a _____________________.
A
simple machine
B
solar collector
C
heat pump
D
thermal insulator
6) Thermal energy of an object increases when the average ___________ energy of the particles that make up that object increases.
A
chemical
B
potential
C
gravitational
D
kinetic
7) Transfer of energy by electromagnetic waves, such as microwaves and light, is called ______________.
A
convection
B
conduction
C
rationalization
D
radiation
8) The study of the relationships between thermal energy, heat, and work is called ________.
A
thermodynamics
B
thermalogy
C
dynamic equilibrium
D
chemistry
9) Which is energy that is transferred between objects due to a temperature difference between those objects?
A
radiation
B
heat
C
conduction
D
insulation
10) In the thermal energy equation, change in thermal energy = mass x temperature change x __________
A
time
B
veloicity
C
magnetism
D
specific heat
*select an answer for all questions
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