FTCE Middle Grades Science 5-9 Exam
Questions With 100% Verified Answers
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 vol...
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.
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
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
D. sublimation - answer✔C
Which of the following contains the greatest amount of thermal energy?
A. burning candle
B. cup of coffee
C. oak tree
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. - answer✔A
The splitting of the nucleus of U-235 into two or more fragments is called
A. alpha decay.
B. beta decay.
C. fission.
D. fusion. - answer✔C
Which type of radiation has the lowest energy?
A. x-rays
B. visible light
C. infrared
D. radio - answer✔D
A security mirror located in the back corner of a convenience store to enable a view of the entire
store uses a
A. convex mirror.
B. concave mirror.
C. flat mirror.
D. parabolic mirror. - answer✔A
What is the power drawn by a 120-volt microwave oven that is rated for 15 amps?
A. 0.125 joules
B. 8.0 watts
C. 1800 watts
D. 135 joules - answer✔C
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