FTCE SCIENCE Exam Questions With Correct Answers
100% Pass
In 1922, Neils Bohr developed an explanation of atomic structure that underlies regularities in
the periodic table of elements dealing with the
A. proton.
B. neutron.
C. electron.
D. nucleus.☑️Correct Ans-electron
A chemical bond consisting of atoms or ions of two or more different substances is a(an)
A. compound.
B. element.
C. mixture.
D. alloy.☑️Correct Ans-compound
The balanced chemical equation for the formation of aluminum oxide is
A. Al + O2 --> Al2O2.
B. 4Al + 3O2 --> 2Al2O3.
C. 3Al + O2 --> 2Al3O.
D. Al + O2 --> AlO.☑️Correct Ans-4Al + 3O2 --> 2Al2O3.
H2O (water) is an example of a(an)
,A. polar bond.
B. non-polar bond.
C. ionic bond.
D. non-covalent bond.☑️Correct Ans-polar bond.
AB + CD --> AD + BC
What type of reaction is given above?
A. combination
B. decomposition
C. double displacement
D. single displacement☑️Correct Ans-double displacement
According to Ohm's Law, the current running through a conductor is
A. inversely proportional to the voltage.
B. directly proportional to the resistance.
C. a sum of the voltage and resistance.
D. inversely proportional to the resistance.☑️Correct Ans-inversely proportional to the
resistance.
A rocket lifts off due to a reaction to gas propulsion. This is an example of which law of objects
in motion?
A. Newton's 1st law
B. Newton's 2nd law
,C. Newton's 3rd law
D. Kepler's 2nd law☑️Correct Ans-Newton's 3rd law
The diagram above shows an instantaneous image of a wave on a string. The rest position of
the string is the horizontal straight line. Which of the double-headed arrows indicates the peak
to-peak frequency of the wave?
A. I
B. II
C. III
D. IV☑️Correct Ans-III
In a concert hall, sound waves are bent around objects. This is an example of
A. constructive interference.
B. destructive interference.
C. diffraction.
D. the Doppler effect☑️Correct Ans-diffraction.
Two balloons with opposite electrostatic charges will
A. repel one another.
B. attract one another.
C. have no effect on each other.
D. emit a spark.☑️Correct Ans-attract one another.
, The wiring diagram shown above indicates that
A. the batteries are hooked in series and the light bulbs are hooked in series.
B. the batteries are hooked in parallel and the light bulbs are hooked in parallel.
C. the batteries are hooked in series and the light bulbs are hooked in parallel.
D. the batteries are hooked in parallel and the light bulbs are hooked in series.☑️Correct Ans-
the batteries are hooked in parallel and the light bulbs are hooked in series.
The device that changes AC (alternating current) to DC (direct current) is a (an)
A. generator.
B. transformer.
C. motor.
D. rectifier.☑️Correct Ans-rectifier.
Which phase change indicates that a substance gains energy?
A. freezing
B. deposition
C. condensation
D. sublimation☑️Correct Ans-sublimation
A great deal of solar radiation from the Sun enters the atmosphere and reaches Earth, while some
energy is reflected back into space. This is a demonstration of
A. conservation of energy.
100% Pass
In 1922, Neils Bohr developed an explanation of atomic structure that underlies regularities in
the periodic table of elements dealing with the
A. proton.
B. neutron.
C. electron.
D. nucleus.☑️Correct Ans-electron
A chemical bond consisting of atoms or ions of two or more different substances is a(an)
A. compound.
B. element.
C. mixture.
D. alloy.☑️Correct Ans-compound
The balanced chemical equation for the formation of aluminum oxide is
A. Al + O2 --> Al2O2.
B. 4Al + 3O2 --> 2Al2O3.
C. 3Al + O2 --> 2Al3O.
D. Al + O2 --> AlO.☑️Correct Ans-4Al + 3O2 --> 2Al2O3.
H2O (water) is an example of a(an)
,A. polar bond.
B. non-polar bond.
C. ionic bond.
D. non-covalent bond.☑️Correct Ans-polar bond.
AB + CD --> AD + BC
What type of reaction is given above?
A. combination
B. decomposition
C. double displacement
D. single displacement☑️Correct Ans-double displacement
According to Ohm's Law, the current running through a conductor is
A. inversely proportional to the voltage.
B. directly proportional to the resistance.
C. a sum of the voltage and resistance.
D. inversely proportional to the resistance.☑️Correct Ans-inversely proportional to the
resistance.
A rocket lifts off due to a reaction to gas propulsion. This is an example of which law of objects
in motion?
A. Newton's 1st law
B. Newton's 2nd law
,C. Newton's 3rd law
D. Kepler's 2nd law☑️Correct Ans-Newton's 3rd law
The diagram above shows an instantaneous image of a wave on a string. The rest position of
the string is the horizontal straight line. Which of the double-headed arrows indicates the peak
to-peak frequency of the wave?
A. I
B. II
C. III
D. IV☑️Correct Ans-III
In a concert hall, sound waves are bent around objects. This is an example of
A. constructive interference.
B. destructive interference.
C. diffraction.
D. the Doppler effect☑️Correct Ans-diffraction.
Two balloons with opposite electrostatic charges will
A. repel one another.
B. attract one another.
C. have no effect on each other.
D. emit a spark.☑️Correct Ans-attract one another.
, The wiring diagram shown above indicates that
A. the batteries are hooked in series and the light bulbs are hooked in series.
B. the batteries are hooked in parallel and the light bulbs are hooked in parallel.
C. the batteries are hooked in series and the light bulbs are hooked in parallel.
D. the batteries are hooked in parallel and the light bulbs are hooked in series.☑️Correct Ans-
the batteries are hooked in parallel and the light bulbs are hooked in series.
The device that changes AC (alternating current) to DC (direct current) is a (an)
A. generator.
B. transformer.
C. motor.
D. rectifier.☑️Correct Ans-rectifier.
Which phase change indicates that a substance gains energy?
A. freezing
B. deposition
C. condensation
D. sublimation☑️Correct Ans-sublimation
A great deal of solar radiation from the Sun enters the atmosphere and reaches Earth, while some
energy is reflected back into space. This is a demonstration of
A. conservation of energy.
