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FTCE Middle Grades Science 5-9
Questions with solved solutions
Which of the properties listed below is a characteristic of a liquid
but not of a gas?
A. It has the ability to flow.
B. It maintains its volume in an open container.
C. Its molecules are constantly in motion.
D. Its volume varies depending on temperature. - ANSWER>>B
A 0.100 m3 chamber is filled with oxygen gas at standard
conditions (101 kPa at 273 k). Assuming ideal conditions and
behavior, what will be the pressure of the gas in the chamber
after it is heated to 819 k?
A. 34 kPa
B. 51 kPa
C. 202 kPa
D. 303 kPa - ANSWER>>D
In 1898, J.J. Thomson provided the first hard evidence for the
existence of subatomic particles in the atom by using a cathode
ray tube to discover the
A. proton.
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B. neutron.
C. electron.
D. nucleus. - ANSWER>>C
If all of the atoms in a substance have the same atomic number,
the substance is a(an)
A. compound.
B. element.
C. mixture.
D. alloy. - ANSWER>>B
The balanced chemical equation for the formation of iron (III)
oxide is
A. Fe + O2 -> FeO2.
B. 4Fe + 3O2 -> 2Fe2O3.
C. 3Fe + O2 -> Fe3O2.
D. Fe + O -> FeO. - ANSWER>>B
Small molecules that contain H bonded to O have higher boiling
points than similar molecules in which H is bonded to S. Why
does this change occur?
A. The H to O bond is nonpolar.
B. The H to S bond is more polar than the H to O bond.
C. The H to O bond is more polar than the H to S bond.
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D. The H to S bond is nonpolar. - ANSWER>>C
A + B -> AB What type of reaction is given above?
A. combination
B. decomposition
C. double displacement
D. single displacement - ANSWER>>A
According to Hooke's Law, the relationship between the elastic
force and the distance of stretch for an elastic material is
A. inversely proportional.
B. directly proportional.
C. exponential.
D. power squared. - ANSWER>>B
A ball rolls off a horizontal table and hits the floor at a faster
vertical speed than when it leaves the table. This is an example
of which law of objects in motion?
A. Newton's 1st law
B. Newton's 2nd law
C. Kepler's 1st law
D. Kepler's 2nd law - ANSWER>>B
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The pitch of a car's horn changes as the car approaches. This is
an example of
A. constructive interference.
B. destructive interference.
C. diffraction.
D. the Doppler effect. - ANSWER>>D
Two identical objects with identical electrostatic charges will
A. repel one another.
B. attract one another.
C. have no effect on each other.
D. emit a spark. - ANSWER>>A
The device that converts electric energy to mechanical energy by
the use of magnetic forces is a (an)
A. generator.
B. transformer.
C. motor.
D. rectifier. - ANSWER>>C
Which phase change releases energy?
A. melting
B. evaporation
C. condensation
FTCE Middle Grades Science 5-9
Questions with solved solutions
Which of the properties listed below is a characteristic of a liquid
but not of a gas?
A. It has the ability to flow.
B. It maintains its volume in an open container.
C. Its molecules are constantly in motion.
D. Its volume varies depending on temperature. - ANSWER>>B
A 0.100 m3 chamber is filled with oxygen gas at standard
conditions (101 kPa at 273 k). Assuming ideal conditions and
behavior, what will be the pressure of the gas in the chamber
after it is heated to 819 k?
A. 34 kPa
B. 51 kPa
C. 202 kPa
D. 303 kPa - ANSWER>>D
In 1898, J.J. Thomson provided the first hard evidence for the
existence of subatomic particles in the atom by using a cathode
ray tube to discover the
A. proton.
,2|Page
B. neutron.
C. electron.
D. nucleus. - ANSWER>>C
If all of the atoms in a substance have the same atomic number,
the substance is a(an)
A. compound.
B. element.
C. mixture.
D. alloy. - ANSWER>>B
The balanced chemical equation for the formation of iron (III)
oxide is
A. Fe + O2 -> FeO2.
B. 4Fe + 3O2 -> 2Fe2O3.
C. 3Fe + O2 -> Fe3O2.
D. Fe + O -> FeO. - ANSWER>>B
Small molecules that contain H bonded to O have higher boiling
points than similar molecules in which H is bonded to S. Why
does this change occur?
A. The H to O bond is nonpolar.
B. The H to S bond is more polar than the H to O bond.
C. The H to O bond is more polar than the H to S bond.
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D. The H to S bond is nonpolar. - ANSWER>>C
A + B -> AB What type of reaction is given above?
A. combination
B. decomposition
C. double displacement
D. single displacement - ANSWER>>A
According to Hooke's Law, the relationship between the elastic
force and the distance of stretch for an elastic material is
A. inversely proportional.
B. directly proportional.
C. exponential.
D. power squared. - ANSWER>>B
A ball rolls off a horizontal table and hits the floor at a faster
vertical speed than when it leaves the table. This is an example
of which law of objects in motion?
A. Newton's 1st law
B. Newton's 2nd law
C. Kepler's 1st law
D. Kepler's 2nd law - ANSWER>>B
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The pitch of a car's horn changes as the car approaches. This is
an example of
A. constructive interference.
B. destructive interference.
C. diffraction.
D. the Doppler effect. - ANSWER>>D
Two identical objects with identical electrostatic charges will
A. repel one another.
B. attract one another.
C. have no effect on each other.
D. emit a spark. - ANSWER>>A
The device that converts electric energy to mechanical energy by
the use of magnetic forces is a (an)
A. generator.
B. transformer.
C. motor.
D. rectifier. - ANSWER>>C
Which phase change releases energy?
A. melting
B. evaporation
C. condensation
