NCFE Physical Science Practice Exam

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• What does power measure in a mechanical system?
• Acceleration is defined by Newton's second law of motion as:
• Which type of reaction results in the formation of new substances?
• Which of the following best describes malleability?
• What term describes the height of a wave?
• What does compression refer to in a longitudinal wave?
• Which group of elements is known as halogens?
• What occurs during a physical change?
• Which of the following best describes a chemical change?
• Which friction force opposes the motion of an object as it slides over a surface?
• What term describes how many wave peaks pass a point in a given time?
• What is the primary characteristic of a lever?
• Heat can be transferred in which of the following ways?
• Which of the following changes does NOT describe a physical change?
• What is the term for the maximum amount of solute that can dissolve in a solvent at a specific temperature?
• What is the SI unit of force?
• What happens to thermal energy when an object's atoms move faster?
• What is the purpose of a transformer in an electrical system?
• Which of the following elements is a halogen?
• How many electrons can the first energy ring of an atom hold?
• What happens to a material when it reaches its boiling point?
• What does a wheel and axle consist of?
• Which prefix would you use to describe four atoms?
• Which two components are fundamental to a magnet?
• Which type of solution is characterized by having less solute than the maximum solubility allows?
• What does output force refer to in the context of machines?
• What does acceleration measure in motion?
• What is the primary function of an electric motor?
• What does concentration measure in a solution?
• According to Ohm's law, which equation represents the relationship between voltage, current, and resistance?
• Which of these is NOT a type of evidence for a chemical change?
• Which term refers to the material through which a wave travels?
• Which of the following would likely create the strongest electromagnet?
• Which characteristic is true of a solution?
• What happens to gravitational potential energy when an object is raised to a higher level?
• Which of the following is a characteristic of scalar quantities?
• What does a supersaturated solution indicate about solubility at a given temperature?
• What is the Ideal Mechanical Advantage (IMA) of a machine?
• Which of the following best describes a system of objects in a frame of reference?
• How are vector quantities defined?
• What is an element defined as?
• What defines a neutron?
• How does a cation differ from an anion?
• What type of wave does not require matter to propagate?
• What is the lowest point of a wave called?
• How is charge by induction achieved?
• Which term describes a form of energy caused by the movement of electrons?
• In the SI system, temperature is measured in what unit?
• Which of the following best describes a combustion reaction?
• What property do colloids have regarding particle size?
• Which of the following is an example of a scalar quantity?
• What type of friction force acts on objects that are not moving?
• What are valence electrons?
• Which of the following is a characteristic of electrically conductive materials?
• What is the process called when a solid turns into a liquid?
• What does a circuit diagram represent?
• Which type of particle is located in an atom's nucleus and is neutral?
• What does conductivity refer to in physical properties?
• What formula represents kinetic energy?
• Which unit is used in the metric system to measure speed?
• What type of particle is a proton?
• What is a suspension?
• What does diffraction refer to in wave behavior?
• What is magnetism primarily concerned with?
• What does gravity do?
• What primarily causes free fall?
• Which type of friction occurs when an object rolls over a surface?
• What does energy represent in physics?
• In a heterogeneous mixture, how are the components characterized?
• Which is the correct term for a substance with two atoms?
• What is the value of acceleration due to gravity in meters per second squared?
• What is an example of acceleration in motion?
• What is the SI unit of mass?
• What is density?
• What type of bond involves sharing a pair of electrons between atoms?
• What is the term for 8 valence electrons that atoms strive to achieve?
• What is the definition of the term period in wave mechanics?
• What is the term for the process when gas changes into a liquid?
• Which of the following describes metals?
• What is the prefix that indicates the number 'six' in chemical nomenclature?
• What does static electricity refer to?
• What phenomenon describes the bending of a wave as it passes from one medium to another?
• Which type of speed varies with time and is not constant?
• What is the numerical prefix for the term that refers to 'three'?
• Which noble gas is the heaviest based on the standard group of noble gases?
• Which of the following describes a longitudinal wave?
• What is radiation?
• Which property can indicate the purity of a substance?
• Momentum depends on which two variables?
• Which unit represents time in the International System of Units (SI)?
• What type of change occurs with the formation of a precipitate?
• What is the maximum number of electrons that the second energy level can accommodate?
• What is a characteristic of a series circuit?
• What effect does increasing the temperature of a wire typically have on its resistance?
• What is an inclined plane?
• What type of reaction occurs when one element replaces another element in a compound?
• Which type of wave is characterized by particle movement that is parallel to the wave direction?
• What happens to a wave during reflection?
• Which method of heat transfer involves the movement of fluid particles?
• In a circuit, what does the term "current" refer to?
• In a parallel circuit, how is the current distributed?
• What does friction do in the context of moving objects?
• What does the equation PE = mgh represent?
• Which of the following best defines velocity?
• What is defined as the horizontal distance between two adjacent crests of a wave?
• Which of the following describes brittleness?
• What is a solution?
• What characteristic defines nonmetals?
• Which of the following is NOT one of the three methods of charging?
• What is kinetic energy a measure of?
• In a double-replacement reaction, what occurs between the compounds involved?
• Which term describes a solution that contains as much solute as the solvent can hold?
• Which type of wave moves like a slinky?
• Which of the following describes conduction as a method of charging?
• What type of evidence would suggest a chemical change has taken place?
• What does charge by conduction involve?
• What role does friction play when calculating Ideal Mechanical Advantage?
• When an object is in free fall, what factor is primarily ignored in its motion?
• What does melting point indicate?
• In the SI system, what is the unit for electric current?
• What type of bond is formed through the transfer of electrons between a metal and a nonmetal?
• What is net force?
• What is the result of combined forces known as?
• What does reactivity describe in chemistry?
• Which statement best describes force?
• What generally happens to energy in a closed system?
• What prefix is used in chemistry to denote 'five'?
• What process is described by the transformation from a liquid to a solid?
• What does the term "homogeneous" imply about a mixture?
• What type of wave requires a medium to travel through?
• What defines a basic solution in terms of pH?
• What is constructive interference?
• What characteristic defines the noble gases?
• Which of the following statements about speed is true?
• What defines a compound?
• Which of the following best describes a wedge?
• Which type of wave can travel through a vacuum?
• Which simple machine consists of a rope that fits into a groove in a wheel?
• Which of the following best describes the mechanical advantage of a machine?
• What occurs during destructive interference?
• How is average speed calculated?
• In the context of motion, what is meant by 'relative'?
• In a transverse wave, how do particles of the medium move?
• What does each dot represent in an electron dot diagram?
• In SI units, work is measured in which unit?
• In terms of reactivity, which group is known for being nonreactive?
• How does the amplitude of a wave relate to its energy?
• What is an electromagnet?
• What does volume measure?
• How is heat generally measured?
• Which of the following substances performs the act of dissolving?
• Which of the following statements correctly identifies melting?
• Which process describes the change of state from a liquid to a gas?
• Newton's laws help to explain the relationship between:
• What is an electron?
• What type of device converts electrical energy into mechanical energy?
• In which type of wave does the medium move perpendicular to the wave's direction?
• What does mass measure in relation to an object?
• What is the definition of waves in a physical context?
• What does a generator convert into electrical energy?
• What is a lever?
• What is an unsaturated solution?
• What is Newton's third law of motion?
• Which of the following describes a characteristic of a substance that can burn?
• What is a screw primarily considered to be in mechanical terms?
• What does pH measure in a solution?
• What is an ion?
• Which aspect of motion does acceleration specifically refer to?
• How is hardness compared among materials?
• What is a cation?
• How is a homogeneous mixture defined?
• What are elements with high electronegativity typically?
• What group number corresponds to alkaline earth metals on the periodic table?
• What is the relationship between wave frequency and wavelength?
• Which of the following statements about efficiency is true?
• What does position refer to in a physical context?
• Which part of a wave is the highest point?
• Which type of circuit would be expected to have the same current throughout?
• In terms of kinematics, what is the relationship between distance and time when calculating speed?
• What is the function of a pulley?
• Which of the following is NOT a type of friction?
• How does heat transfer occur?
• What are the three main characteristics of a wire that influence current flow?
• How many valence electrons do alkaline earth metals have?
• How is potential energy defined?
• Where is a proton found in an atom?
• Which pH value indicates an acidic solution?
• Which wave characteristic indicates the distance between two adjacent troughs?
• What is the substance called that is dissolved in a solution?
• What does luster refer to in terms of physical properties?
• What describes a synthesis reaction?
• Which of the following is described as applying force to change an object's direction or speed?
• Which description applies to the components of a heterogeneous mixture?
• Which of the following is the SI unit of resistance?
• What is the primary function of electrons in an atom?
• How is momentum defined?
• What describes the amplitude of a wave?
• How is efficiency defined in mechanical terms?
• What does the term voltage refer to in electrical terms?
• Which of the following elements is NOT a noble gas?
• What is instantaneous speed?
• What is a physical property?
• Which of the following has a single valence electron?
• What is the definition of input force?
• Which statement is true regarding isotopes?
• If the diameter of a wire is increased, what effect does it have on current flow?
• What is the main outcome of constructive interference in wave behavior?
• What is performed when work is done on an object?
• What is the SI unit for voltage?
• Which concept requires using reference points to define location?
• Which factor would most likely affect the solubility of a substance?
• Which group of elements is classified as alkali metals?
• In the context of wave behavior, what is rarefaction?
• At what temperature does a substance reach its boiling point?
• Which of the following describes fluid friction?
• What is the SI unit for measuring length?
• In the Bohr model of the atom, electrons are described as moving around the nucleus in what?
• Which statement correctly defines matter?
• How many valence electrons do halogens possess?
• What is the process of a solid changing directly into a gas called?
• What is the smallest particle of an element called?
• In a scratch test, a softer material will...
• Which of the following best describes a colloid?
• What characterizes an anion?
• In physics, what does the term 'magnitude' refer to?
• What type of mixture can easily separate into layers over time?
• What is defined as the total length of the path taken from the initial position to the final position?
• What is the relationship between solubility and temperature typically shown in solubility curves?
• What is the SI unit of power?
• What type of friction force acts on rolling objects?
• What does flammability refer to in materials?
• Which of the following best describes a polyatomic ion?
• During conduction, energy transfer occurs through:
• Gravitational potential energy depends on which factors?
• Which term describes the ability of an element to conduct electricity?
• Which phenomenon can cause a wave to change direction when hitting a barrier?
• What is an oxidation number?
• Which unit is used to measure energy in SI units?
• What is a frame of reference in physics?
• When two charged objects touch, what typically happens?
• What does Mechanical Advantage (MA) indicate in mechanical systems?
• What type of wave includes particles moving in a circular motion?
• What is the relationship between mass and height in gravitational potential energy?
• What does displacement refer to in motion?
• Newton's first law of motion states that:
• Elastic potential energy is associated with what kind of deformation?
• Which of the following is an example of an alkali metal?
• The law that describes an object's resistance to change in its motion is called:
• What is the method of transferring charge through the rubbing of two objects together?
• What occurs when like electrical charges interact with each other?
• What does weight measure?
• What do solubility curves illustrate?
• Which of the following components does NOT play a role in wave transmission?
• What is inertia commonly defined as?
• What happens to opposite electrical charges when they come together?
• Thermal energy is defined as:
• What is a decomposition reaction?
• In terms of periodic table location, where are metals predominantly found?
• What is mechanical energy a combination of?
• Which type of solution contains more solute than it can normally hold at a given temperature?
• Which term refers to the process of making a solution thinner or weaker?
• What is conduction?