AFOQT Physical Science Practice Test – Q’s And A’s
A long Nail is heated at one end. After a few seconds, the other end of the
nail becomes equally hot. What type of heat transfer does this represent?
A.Advection
B.Conduction
C.Convection
D.Radiation ✔️Ans - Conduction
The measure of energy within a system
A.Temperature
B.Convection
C.Entropy
D.Thermo-dymanics
E. Heat ✔️Ans - Heat
How do two isotopes of the same element.
A.They have different number of protons.
B.They have different number of neutrons.
C.They have different number electrons
D.They have different charges
E.They have different atomic numbers ✔️Ans - They have different
number of neutrons
Which type of nuclear process features atomic nuclei splitting to form
smaller nuclei
A.Fission
B.Fusion
C.Decay
D.Ionization
E.Chain Reaction ✔️Ans - Fission
The process whereby a radioactive element releases energy slowly over a
long period of time to lower its energy and become more stable is best
describe as
A.Combustion
B.Fission
C. Fusion
, D.Decay
E. Radioactivity ✔️Ans - Decay
What unit describes the frequency of a wave?
A.Herts (Hz)
B.Decibals(dB)
C.Meters (m)
D.Meters per second
E.Meters per second square ✔️Ans - Hertz (Hz)
Which of the following is an example of kinetic energy being converted to
potential energy?
A. A child sliding down a hill
B A cyclist coasting on his way up a hill
C.A pilot deploying airbrakes on approach to land.
D.A motorist swerving to avoid a deer.
E.A pair of billiard balls colliding and rebounding off each other ✔️Ans
- A cyclist coasting on his way up a hill
The boiling of water is an example of
A.Sublimation
B.Condensation
C.Neutralization
D.Chemical change
E.Physical change ✔️Ans - Physical Change
The center of an atom is called
A.Nucleus
B.Nuclide
C.Neutrino
D.Electron Cloud
E.Electrolyte ✔️Ans - Nucleus
When a solid is heated and transferred directly to a gaseous phases, this
process is called
A.Sublimation
B. Fusion
C.Diffusion
D. Condensation
A long Nail is heated at one end. After a few seconds, the other end of the
nail becomes equally hot. What type of heat transfer does this represent?
A.Advection
B.Conduction
C.Convection
D.Radiation ✔️Ans - Conduction
The measure of energy within a system
A.Temperature
B.Convection
C.Entropy
D.Thermo-dymanics
E. Heat ✔️Ans - Heat
How do two isotopes of the same element.
A.They have different number of protons.
B.They have different number of neutrons.
C.They have different number electrons
D.They have different charges
E.They have different atomic numbers ✔️Ans - They have different
number of neutrons
Which type of nuclear process features atomic nuclei splitting to form
smaller nuclei
A.Fission
B.Fusion
C.Decay
D.Ionization
E.Chain Reaction ✔️Ans - Fission
The process whereby a radioactive element releases energy slowly over a
long period of time to lower its energy and become more stable is best
describe as
A.Combustion
B.Fission
C. Fusion
, D.Decay
E. Radioactivity ✔️Ans - Decay
What unit describes the frequency of a wave?
A.Herts (Hz)
B.Decibals(dB)
C.Meters (m)
D.Meters per second
E.Meters per second square ✔️Ans - Hertz (Hz)
Which of the following is an example of kinetic energy being converted to
potential energy?
A. A child sliding down a hill
B A cyclist coasting on his way up a hill
C.A pilot deploying airbrakes on approach to land.
D.A motorist swerving to avoid a deer.
E.A pair of billiard balls colliding and rebounding off each other ✔️Ans
- A cyclist coasting on his way up a hill
The boiling of water is an example of
A.Sublimation
B.Condensation
C.Neutralization
D.Chemical change
E.Physical change ✔️Ans - Physical Change
The center of an atom is called
A.Nucleus
B.Nuclide
C.Neutrino
D.Electron Cloud
E.Electrolyte ✔️Ans - Nucleus
When a solid is heated and transferred directly to a gaseous phases, this
process is called
A.Sublimation
B. Fusion
C.Diffusion
D. Condensation
