WorksheetsUnit 3 Vocab
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
random motion
a)
movement in all directions and at different speeds.
b)
energy due to motion.
c)
the amount of thermal energy it takes to increase the temperature of 1 kg of a material by 1ºC.
d)
the movement of substances from an area of higher concentration to an area of lower concentration.
2.
kinetic energy
a)
stored energy due to the interactions between objects or particles
b)
energy due to motion
c)
the result of the motion of all the particles, and the distance and attractions between those particles in the system
d)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature; can also refer to the amount of energy transferred during this process
3.
potential energy
a)
stored energy due to the interactions between objects or particles
b)
energy due to motion
c)
the result of the motion of all the particles, and the distance and attractions between those particles in the system
d)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature; can also refer to the amount of energy transferred during this process
4.
thermal energy
a)
stored energy due to the interactions between objects or particles
b)
energy due to motion
c)
the result of the motion of all the particles, and the distance and attractions between those particles in the system
d)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature; can also refer to the amount of energy transferred during this process
5.
temperature
a)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature; can also refer to the amount of energy transferred during this process
b)
a small particle that is the building block of matter
c)
matter with a composition that is always the same
d)
the measure of the average kinetic energy of the particles in a material
6.
atom
a)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature; can also refer to the amount of energy transferred during this process
b)
a small particle that is the building block of matter
c)
matter with a composition that is always the same
d)
the measure of the average kinetic energy of the particles in a material
7.
substance
a)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature; can also refer to the amount of energy transferred during this process
b)
matter with a composition that is always the same
c)
a small particle that is the building block of matter
d)
the measure of the average kinetic energy of the particles in a material
8.
heat
a)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature; can also refer to the amount of energy transferred during this process
b)
matter with a composition that is always the same
c)
a small particle that is the building block of matter
d)
the measure of the average kinetic energy of the particles in a material
9.
element
a)
a substance containing atoms of two or more different elements chemically bonded together
b)
a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound
c)
a small particle that is the building block of matter
d)
a substance that consists of only one type of atom
10.
compound
a)
a substance containing atoms of two or more different elements chemically bonded together
b)
a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound
c)
a small particle that is the building block of matter
d)
a substance that consists of only one type of atom
11.
molecule
a)
a substance containing atoms of two or more different elements chemically bonded together
b)
a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound
c)
two or more atoms that are held together by covalent bonds and act as a unit
d)
a substance that consists of only one type of atom
12.
chemical formula
a)
a substance containing atoms of two or more different elements chemically bonded together
b)
a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound
c)
a small particle that is the building block of matter
d)
a substance that consists of only one type of atom
13.
thermal contraction
a)
a decrease in a material’s volume when the temperature is decreased
b)
an increase in a material’s volume when the temperature is increased
c)
the change in state from a liquid to a gas
d)
the amount of force per unit area applied to an object’s surface
14.
thermal expansion
a)
a decrease in a material’s volume when the temperature is decreased
b)
an increase in a material’s volume when the temperature is increased
c)
the change in state from a liquid to a gas
d)
the amount of force per unit area applied to an object’s surface
15.
pressure
a)
an increase in a material’s volume when the temperature is increased
b)
the change in state from a liquid to a gas
c)
a decrease in a material’s volume when the temperature is decreased
d)
the amount of force per unit area applied to an object’s surface
16.
diffusion
a)
movement in all directions and at different speeds.
b)
energy due to motion.
c)
the movement of substances from an area of higher concentration to an area of lower concentration.
d)
the amount of thermal energy it takes to increase the temperature of 1 kg of a material by 1ºC.
17.
thermodynamics
a)
an increase in a material’s volume when the temperature is increased.
b)
a decrease in a material’s volume when the temperature is decreased.
c)
the result of the motion of all the particles, and the distance and attractions between those particles in the system.
d)
the study of heat.
18.
condensation
a)
the change in state from a liquid to a gas.
b)
the process by which a gas changes to a liquid.
c)
the transfer of thermal energy by the movement of particles from one part of a material to another.
d)
a material through which thermal energy flows easily.
19.
vaporization
a)
the change in state from a liquid to a gas.
b)
the process by which a gas changes to a liquid.
c)
the transfer of thermal energy by the movement of particles from one part of a material to another.
d)
a material through which thermal energy flows easily.
20.
closed system
a)
the result of the motion of all the particles, and the distance and attractions between those particles in the system.
b)
a system that does not exchange matter or energy with the environment.
c)
a system that exchanges matter or energy with the environment.
d)
stored energy due to the interactions between objects or particles.
21.
open system
a)
the result of the motion of all the particles, and the distance and attractions between those particles in the system.
b)
a system that does not exchange matter or energy with the environment.
c)
a system that exchanges matter or energy with the environment.
d)
stored energy due to the interactions between objects or particles.
22.
source object
a)
the object that provides energy for energy transfer.
b)
the object that gains energy from the energy transfer.
c)
heat
d)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature. Heat can also refer to the amount of energy transferred during this process.
23.
receiver object
a)
the object that provides energy for energy transfer.
b)
the object that gains energy from the energy transfer.
c)
heat
d)
the transfer of thermal energy from a region of higher temperature to a region of lower temperature; can also refer to the amount of energy transferred during this process.
24.
conduction
a)
the transfer of thermal energy from one material to another by electromagnetic waves.
b)
the transfer of thermal energy by the movement of particles from one part of a material to another.
c)
the transfer of thermal energy by collisions between particles of matter.
d)
when the temperatures of materials that are in contact are the same.
25.
thermal equilibrium
a)
the transfer of thermal energy from one material to another by electromagnetic waves.
b)
the transfer of thermal energy by the movement of particles from one part of a material to another.
c)
the transfer of thermal energy by collisions between particles of matter.
d)
when the temperatures of materials that are in contact are the same.
26.
radiation
a)
the transfer of thermal energy from one material to another by electromagnetic waves.
b)
the transfer of thermal energy by the movement of particles from one part of a material to another.
c)
the transfer of thermal energy by collisions between particles of matter.
d)
when the temperatures of materials that are in contact are the same.
27.
convection
a)
the transfer of thermal energy from one material to another by electromagnetic waves.
b)
the transfer of thermal energy by the movement of particles from one part of a material to another.
c)
the transfer of thermal energy by collisions between particles of matter.
d)
when the temperatures of materials that are in contact are the same.
28.
Specific Heat
a)
the amount of thermal energy it takes to increase the temperature of 1 kg of a material by 1ºC.
b)
the transfer of thermal energy by the movement of particles from one part of a material to another.
c)
when the temperatures of materials that are in contact are the same.
d)
a material through which thermal energy flows easily.
29.
Thermal Conductor
a)
a material through which thermal energy does not flow easily.
b)
the transfer of thermal energy by the movement of particles from one part of a material to another.
c)
when the temperatures of materials that are in contact are the same.
d)
a material through which thermal energy flows easily.
30.
Thermal Insulator
a)
a material through which thermal energy does not flow easily.
b)
the transfer of thermal energy by the movement of particles from one part of a material to another.
c)
when the temperatures of materials that are in contact are the same.
d)
a material through which thermal energy flows easily.
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