FTCE NAVAED MIDDLE GRADES SCIENCE 5 9
FINAL EXAM 2026 COMPLETE QUESTIONS
AND SOLUTIONS GRADED A PLUS SCIENCE
CONTENT KNOWLEDGE STUDY GUIDE
◉ 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.
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.
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
◉ 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
FINAL EXAM 2026 COMPLETE QUESTIONS
AND SOLUTIONS GRADED A PLUS SCIENCE
CONTENT KNOWLEDGE STUDY GUIDE
◉ 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.
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.
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
◉ 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
