UPDATED ACTUAL Exam Questions and
CORRECT Answers
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 - CORRECT ANSWER - Conduction
The measure of energy within a system
A.Temperature
B.Convection
C.Entropy
D.Thermo-dymanics
E. Heat - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER -
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 - CORRECT ANSWER - Physical Change
The center of an atom is called
A.Nucleus
B.Nuclide
C.Neutrino
D.Electron Cloud
E.Electrolyte - CORRECT ANSWER - 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
E.Fission - CORRECT ANSWER - Sublimation
What property of light explains why the pencil in a glass of water appears to be bent?
A.Reflection
B.Refraction
C.Angle of Incidence =Angle of Reflection
D.Constructive interference
E.Destructive Interference - CORRECT ANSWER - Refraction