GMAS Physical Science Practice Test

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• What term describes a substance that contains only one type of element?
• The unit of measure of electrical current is
• Which principle helps explain how lift is generated on airplane wings by describing how changes in air velocity affect pressure?
• Which property describes metals' ability to be drawn into wires?
• What term describes a bar free to pivot about a fixed point?
• Which concept describes something that increases the rate of a reaction without being consumed?
• Low-frequency electromagnetic waves with long wavelengths are known as?
• What is the chemical formula for copper oxide?
• In a series circuit, the same current flows through all components.
• What term refers to the center of an atom where protons and neutrons are located?
• What is pressure defined as?
• Which term describes a substance formed when two or more elements are chemically combined in fixed proportions?
• What is the formula for momentum?
• If the voltage across a resistor doubles while the resistance remains the same, what happens to the current?
• Which statement correctly describes a solid?
• A mixture in which two or more substances are blended evenly throughout.
• Which term describes a wave in which the medium moves back and forth in the same direction the wave travels, like sound waves?
• Which term describes a material that does not allow heat to flow easily?
• A change in size, shape, or state of matter.
• What term describes the sum of the kinetic and the potential energy of all the molecules in an object?
• Which process describes a change that forms new substances with different properties?
• The rate of change of velocity is called?
• What is the energy stored due to an object's position called?
• Which state of matter has no definite shape and no definite volume?
• Which statement describes a solid?
• Which term describes the rate at which velocity changes?
• A particle charged by the addition or subtraction of electrons is
• What term describes a material that does not let electrons move easily?
• In the equation Q = m x (T2 - T1) x C, what does Q represent?
• What term refers to two wheels of different sizes that rotate together?
• The equation Q = CpmΔt is used to calculate what quantity?
• Which description best matches a liquid?
• Mechanical energy is the sum of which two forms of energy?
• What term is used for the matter through which waves travel?
• Energy transfer through space as a wave without requiring a medium is characteristic of which type of waves?
• The energy change when a reaction absorbs heat from the surroundings is described as what?
• Which type of energy is stored when an object can stretch or compress?
• What is the unit of measure for voltage difference?
• High-frequency electromagnetic waves with short wavelengths include which type?
• Which term describes a homogeneous mixture that will never settle and has particles too small to be seen?
• Which equation expresses Newton's Second Law?
• A binary compound is composed of exactly how many elements?
• The tendency for a material to oppose the flow of electrons, converting electrical energy into heat or light, is called
• V = IR is an expression of
• Which statement correctly describes how momentum changes when velocity doubles while mass remains constant?
• Gravitational force pulling objects toward each other is called?
• Which term describes how many times a wave repeats per second?
• Which concept is associated with lift on airplane wings and is described by changes in air velocity and pressure around the wing?
• Mass number minus atomic number equals which quantity?
• Which quantity is related to the gravitational pull on an object's mass?
• What is the approximate acceleration due to gravity near Earth's surface?
• A chemical formula tells what and how many of each...
• A closed, conducting path is called a
• A chemical bond involving the transfer of electrons is called a
• What is the smallest unit of an element that cannot be further simplified by chemical means?
• A solution with pH greater than 7 is called what?
• What term describes a sloping surface that reduces the amount of force needed to do work?
• Which term describes energy transfer through electromagnetic waves?
• Which term describes a material that conducts electricity easily?
• Which unit is used to measure energy and work?
• Which type of bond results from the transfer of electrons between atoms?
• If an atom has 2 protons and 2 neutrons, its mass number is
• A carbon atom with 6 protons and 7 neutrons has a mass number of
• The flow of charges through a wire or any conductor is called
• Which form of heat transfer uses electromagnetic waves such as sunlight?
• What term describes the thermal energy that flows from a hotter object to a cooler object?
• What term describes the push that causes electrical charge to move in a circuit?
• Which option best identifies the principle that explains buoyancy and why ships float?
• What term describes a substance that slows down a chemical reaction or prevents it from occurring?
• A substance with pH above 7 is called what?
• If a 50 kg mass experiences an acceleration of 2 m/s^2, what is the force?
• Which particles orbit the nucleus and carry a negative charge?
• In an ideal system with no friction, what happens to the total mechanical energy as it converts between kinetic and potential energy?
• Elements arranged by increasing atomic number form what?
• Which term describes energy transfer by the movement of heated particles within a fluid?
• What term is related to the average kinetic energy of the atoms or molecules of an object?
• What type of force is directed toward the center of a circular path to keep an object moving in a circle?
• Which term describes a mixture that scatters light and appears cloudy?
• Which simple machine is formed by an inclined plane wrapped around a cylindrical post?
• What term refers to two or more simple machines used together like a bicycle?
• Which term describes the process of two nuclei combining to form a heavier nucleus?
• Which unit is used to measure momentum?
• Tendency to remain at rest or continue moving at constant velocity is called?
• Which description best matches a gas?
• Which of the following is an example of a synthesis reaction?
• If a force of 10 newtons moves an object 5 meters, how much work is done?
• What is the sum of the protons and neutrons in an atom called?
• Outer energy level is complete describes which property?
• Suspends light like fog.
• A compound composed of two elements is called what?
• What is the universal force of attraction between any two objects called?
• A solution with pH less than 7 is called what?
• Which term describes a material that does not allow electrons to move easily?
• What term denotes the maximum displacement of a point on a wave from its rest position?
• Elements that are typically gases at room temperature and poor conductors are classified as which?
• Which principle states that momentum can be transferred but the total momentum of a closed system remains constant?
• What is the distance between identical points on adjacent wave cycles?
• The unit of measure of electrical resistance is
• Which term describes effort to move an object or stop it?
• If 120 joules of work are performed over 3 seconds, what is the power?
• Which term describes a circuit with two or more branches for current to move through, like in a house?
• Which subatomic particle has no charge and contributes to atomic mass?
• What is the distance between one point on a wave and the nearest point just like it?
• Which term describes a material that does not allow electrons to move easily?
• Which statement correctly describes plasma?
• What term describes a substance in which the atoms of two or more elements are combined in fixed proportions?
• Which form of heat transfer occurs in a liquid or gas due to the movement of warmed particles?
• Which type of wave has the medium moving back and forth at right angles to the direction the wave travels?
• Which term describes a repeating disturbance or movement that transfers energy through matter or space?
• What term describes a grooved wheel with a rope, chain, or cable running along the groove?
• Which term describes a material through which electrons move easily?
• Which term describes two nuclei combining to form a nucleus with a larger mass, such as in the sun?
• Which group of elements is known for conducting electricity well, being malleable and ductile, and shiny?
• The force that opposes motion between two surfaces that are in contact is called?
• Which wave phenomenon describes the spreading of waves around obstacles or through openings?
• Which simple machine is described as an inclined plane with one or two sloping sides?
• Which rule states that electric charge is neither created nor destroyed but only transferred?
• A force that holds atoms together in a compound is a
• Which quantity includes direction and is defined as speed with direction?
• According to Boyle's Law, what happens to the volume of a gas as pressure increases (holding temperature constant)?
• Which quantity represents the number of protons in an atom?
• A balanced chemical equation has what property?
• What energy is stored by an object's height above Earth's surface?
• Which state of matter is characterized by free-moving charged particles at very high temperatures, like in stars?
• What is the equation for kinetic energy?
• The energy change that occurs when a reaction releases heat to the surroundings is described as what?
• If distance is 800 m and time is 200 s, what is speed?
• Which concept identifies the elements present in a compound and their respective quantities?
• Which is an example of a chemical change?
• Which law states that for every action there is an equal and opposite reaction?
• The ability of an object to vibrate by absorbing energy at its natural frequency, which can cause a high-pitched sound, is called?
• If the voltage remains constant and the resistance doubles, the current
• Which law states that objects in motion stay in motion or at rest stay at rest unless acted upon by a net external force?
• Which term is the quantity of matter in an object?
• What term describes a mixture in which the components remain distinct and can be separated by physical means?
• Which term describes the sum of the kinetic and the potential energy of all the molecules in an object?
• What is the smallest unit of an element that retains the property of the element?
• Which range of electromagnetic waves can humans detect with their eyes?
• What is energy in the form of motion called?
• A component used to limit current in a circuit by converting electrical energy to heat is called a
• The bending of a wave caused by a change in speed as it moves from one medium to another is termed?
• Which expression represents work?
• In the expression Q = CpmΔt, the term Cpm represents what physical quantity?
• Which term describes a reaction in which two or more substances combine to form a single product?
• Which subatomic particle is positively charged and resides in the nucleus?
• Which statement best describes a gas?
• A push or pull is defined as?
• Which term describes energy required or absorbed as heat in a chemical reaction?
• Given a 6 kg object moving at 3 m/s, what is its momentum?
• Which category includes elements like silicon and has semiconducting properties?
• Which type of waves can propagate through a vacuum?
• Which simple machine uses a wheel with a rope around it to lift loads by changing the direction of the force?
• What term describes an inclined plane with one or two sloping sides?
• Which quantity resists change in motion?
• Which of the following best describes a metalloid?
• Which term describes the energy that flows from a higher temperature to a lower temperature?
• Which statement describes a chemical property?
• When a ball rolls up a hill with negligible friction, which energy change is correct?
• What principle states that mass is unchanged during a chemical reaction?
• Which term describes a chemical bond formed by sharing electrons between atoms?
• What is the rate of change of position measured as distance per time?
• Which concept describes something that decreases the rate of a reaction or halts it?
• Which reaction involves a single substance breaking down into two or more substances?
• When a wave strikes an object and bounces off it, this event is called what?
• The statement 'as temperature increases, volume increases' describes which gas law?
• A property where an atom's outer electron shell is full describes it as
• What term describes something that is either an element or a compound?
• In a compressional wave, the less dense region is called what?
• Which term describes energy given off in a chemical reaction primarily as heat?
• Which form of energy is stored in chemical bonds?
• The rate of change of velocity over time is called?
• Characteristics that you can observe without changing the identity like color, shape, size, melting point, etc.
• The Law of Conservation of Energy states that energy cannot be created or destroyed. Which statement describes this law?
• A substance with pH below 7 is called what?
• What term is an inclined plane wrapped in a spiral around a cylindrical post?
• t₂ − t₁ is the symbol for what?
• Which term describes two or more simple machines used together, such as in a bicycle?
• Which particle orbits the nucleus and has a negative charge?
• Which simple machine consists of two wheels connected to rotate together?
• Which term describes the quantity related to the energy of a wave and measured as the distance from the rest position to crest or trough?
• An oxidation number describes how many electrons an atom gains, loses, or shares to become stable.
• Which term is defined as the number of wavelengths that pass a fixed point each second?
• What is the highest point of a transverse wave called?
• What term describes the lowest point of a transverse wave?
• Which form of heat transfer occurs through direct contact between substances?
• What word describes a substance that speeds up a chemical reaction without being consumed?
• Which term refers to the number of cycles per unit time?
• Which term refers to the splitting of a nucleus into smaller parts, releasing energy?
• Which term describes a substance in which all atoms are the same kind?
• The current has only one loop to flow through, like a string of Christmas lights, is called a
• What instrument is best for measuring the volume of a liquid?
• The ability to cause change (to do work) is called what?
• If current equals 2 amperes and resistance equals 4 ohms, what is the voltage difference?
• What process separates substances by evaporating a liquid and condensing its vapor?
• Which principle states that pressure applied to a fluid is transmitted unchanged throughout the fluid?
• What does the atomic number indicate in an atom?
• What term describes a mixture in which the different materials can be distinguished easily?
• Vibrating electric charges that can travel through space where no matter is present describe which type of waves?
• If the voltage is 12 volts and the resistance is 3 ohms, what is the current?
• If mass is 3 kg and velocity is 5 m/s, what is the momentum?
• Which term describes the less dense region of a compressional wave?
• What term describes the rate at which work is done?
• Positively charged nuclear particles are called?
• A homogeneous mixture that will never settle; the particles are so small they can't be detected by a microscope.
• According to Newton's Second Law, what happens to the force if mass doubles while acceleration stays the same?
• An object that causes a wave to change direction and bend around it is said to cause which phenomenon?
• Atoms of the same element with different numbers of neutrons are called
• Nuclear particles with no charge are called?
• Which energy form is not a form of potential energy?