Physics Terminology Quiz

The motion of an object without considering the cause.

A mathematical quantity that has magnitude only.

Distance is the total path length traveled. Displacement is the change in position from the starting point to the ending point.

<p>Velocity is the rate of change of position, or the displacement divided by the time elapsed.</p> Signup and view all the answers

<p>Acceleration is the rate of change of velocity, or the change in velocity divided by the time elapsed.</p> Signup and view all the answers

<p>Uniform motion is motion at a constant velocity.</p> Signup and view all the answers

<p>Non-uniform velocity is motion with a changing velocity.</p> Signup and view all the answers

<p>Average speed is the total distance traveled divided by the total time elapsed.</p> Signup and view all the answers

<p>Instantaneous speed is the speed of an object at a specific instant in time.</p> Signup and view all the answers

<p>Acceleration due to gravity is the acceleration that occurs when an object is falling freely near the Earth's surface.</p> Signup and view all the answers

<p>Terminal velocity is the constant velocity reached by an object when the force of gravity is balanced by the force of air resistance.</p> Signup and view all the answers

<p>The time of flight is the amount of time it takes for a projectile to complete its motion.</p> Signup and view all the answers

<p>The range of a projectile is the horizontal distance traveled by the projectile.</p> Signup and view all the answers

<p>Inertia is the tendency of an object to resist changes in its motion.</p> Signup and view all the answers

<p>Newton's First Law of Motion states that an object at rest will stay at rest and an object in motion will stay in motion at a constant velocity unless acted upon by an external force.</p> Signup and view all the answers

<p>Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.</p> Signup and view all the answers

<p>Mass is the amount of matter an object is made of.</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>Friction is a force that opposes motion between two surfaces in contact.</p> Signup and view all the answers

<p>Kinetic friction is the force that opposes the motion of an object that is already moving.</p> Signup and view all the answers

<p>Temperature is a measure of the average kinetic energy of the particles in a substance.</p> Signup and view all the answers

<p>Specific heat capacity is the amount of heat energy required to raise the temperature of 1 kilogram of a substance by 1 degree Celsius.</p> Signup and view all the answers

<p>Latent heat of fusion is the amount of heat energy required to change a substance from a solid to a liquid at its melting point.</p> Signup and view all the answers

<p>Latent heat of vaporization is the amount of heat energy required to change a substance from a liquid to a gas at its boiling point.</p> Signup and view all the answers

<p>Nucleons are the particles found in the nucleus of an atom.</p> Signup and view all the answers

<p>A proton is a positively charged particle found in the nucleus of an atom.</p> Signup and view all the answers

<p>The ground state of an atom is the state where all of the electrons are in their lowest possible energy levels.</p> Signup and view all the answers

<p>An excited state of an atom is the state where one or more electrons have been promoted to higher energy levels.</p> Signup and view all the answers

<p>The atomic number of an atom is the number of protons in its nucleus.</p> Signup and view all the answers

<p>A radioisotope is an unstable isotope that undergoes radioactive decay, releasing energy in the form of radiation.</p> Signup and view all the answers

<p>A nuclear reaction is a process that involves changes in the nuclei of atoms.</p> Signup and view all the answers

<p>An exothermic reaction is a reaction that releases energy.</p> Signup and view all the answers

<p>Electrostatic force is the force of attraction or repulsion between electrically charged objects.</p> Signup and view all the answers

<p>The strong nuclear force is the force that holds together the protons and neutrons in the nucleus of an atom.</p> Signup and view all the answers

<p>The half-life of a radioactive isotope is the time it takes for half of the radioactive atoms in a sample to decay.</p> Signup and view all the answers

<p>Nuclear fission is the process in which the nucleus of an atom is split into two or more smaller nuclei.</p> Signup and view all the answers

<p>A mechanical wave is a wave that requires a medium to travel.</p> Signup and view all the answers

<p>An electromagnetic wave is a wave that does not require a medium to travel.</p> Signup and view all the answers

<p>A transverse wave is a wave in which the particles of the medium vibrate perpendicular to the direction of wave propagation.</p> Signup and view all the answers

<p>A longitudinal wave is a wave in which the particles of the medium vibrate parallel to the direction of wave propagation.</p> Signup and view all the answers

<p>Wavelength is the distance between two successive crests or troughs of a wave.</p> Signup and view all the answers

<p>Amplitude is the maximum displacement of a particle from its equilibrium position.</p> Signup and view all the answers