FTCE Middle Grades Science 5-9 Exam Study
Guide Questions and Answers 2025
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. -Correct 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 -Correct 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. -Correct Answer ✔C
If all of the atoms in a substance have the same atomic number, the substance is a(an)
A. compound.
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B. element.
C. mixture.
D. alloy. -Correct 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. -Correct 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. -Correct Answer ✔C
A + B -> AB What type of reaction is given above?
A. combination
B. decomposition
C. double displacement
D. single displacement -Correct 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.
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B. directly proportional.
C. exponential.
D. power squared. -Correct 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 -Correct 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. -Correct 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. -Correct Answer ✔A
The device that converts electric energy to mechanical energy by the use of magnetic
forces is a (an)
A. generator.
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B. transformer.
C. motor.
D. rectifier. -Correct Answer ✔C
Which phase change releases energy?
A. melting
B. evaporation
C. condensation
D. sublimation -Correct Answer ✔C
Which of the following contains the greatest amount of thermal energy?
A. burning candle
B. cup of coffee
C. oak tree
D. lake -Correct Answer ✔D
The input electrical energy of an overhead projector results in light emission, heat
emission, and mechanical motion of the fan. This is a demonstration of
A. conservation of energy.
B. excess input energy.
C. decrease in entropy.
D. total loss of energy. -Correct Answer ✔A
The splitting of the nucleus of U-235 into two or more fragments is called
A. alpha decay.
B. beta decay.
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