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Phenomenon Index »

Total 95 entries.

Phenomenon Name	Number of Related Experiments	Phenomenon
Accelerated Motion	3	A body changing speed or direction
Accuracy	3	Accuracy is the degree of conformity of a measured or calculated quantity to its actual (true) value
Acoustics	4	Acoustics is the behavior of sound.
Aerodynamic Forces	4	Forces acting on an object is moving through a liquid
Archimedes' Principle	1	The force buoying up an object equal to the weight of the liquid it displaces.
Bernoulli Equation	4	Modeling the flow of liquids using conservation of energy and relating pressure head and velocity at different points of a system.
Boundary Layer	1	The boundary layer is the layer of fluid that interacts with a bonding surface.
Boyle's Law	1	At a constant temperature, the volume of a given quantity of an ideal gas is inversely proportional to the pressure upon the gas.
Buoyancy	1	An object is buoyed up with a force equal to the weight of the liquid it displaces.
Calibration	4	Calibration refers to the process of determining the relation between the output (or response) of a measuring instrument and the value of the input quantity.
Calorimetry	1	Calorimetry is the measurement of the amount of heat evolved or absorbed in a chemical reaction, change of state, or formation of a solution.
Capillary Effects	1	A capillary is a minute, thin-walled vessel or tube. Capillary effects, also known as capillarity, refer to the action by which the surface of a liquid, where it is in contact with a solid, especially a thin (capillary) tube is elevated or depressed.
Center of Mass/Gravity	7	The center of mass or gravity is the point in a body or system of bodies at which the whole mass may be considered as concentrated for simplifying analysis in which gravity and other forces are at work.
Centripetal Motion	4	For an object to move along a curved path a force must be applied to it. This force only changes the direction, not the speed of the object and is called a centripetal force.
Combustion	1	Combustion is the burning of a substance (a combustible) by chemically combining it with a supporter of combustion (typically oxygen). This process is a chemical reaction that produces heat and/or light.
Compression	6	Compression refers to the squeezing of a body (especially in mechanical or materials testing).
Conduction	3	Conduction is the transfer of heat through a substance, resulting from a difference in temperature between different parts of the substance.
Conservation of Energy	11	Energy can not be created or destroyed, only transformed from one form to another.
Conservation of Mass	4	Conservation of mass is a principle in classical physics stating that the total mass of any material system is neither increased nor diminished by reactions between the parts- mass cannot be created nor destroyed.
Conservation of Momentum	6	In frictionless system the amount of momentum an object has always remains constant.
Continuity Equation	8	A continuity equation expresses a conservation law by equating a net flux over a surface with a loss or gain of material within the surface. Continuity equations often can be expressed in either integral or differential form.
Controls	6	Controls is the method of controlling an output of a system using feedback from the output.
Convection	3	Convection is the transfer of heat by the flow of a liquid or gas.
Damping	4	Damping is the reduction of oscillation, especially in vibrations of spring-mass systems and signal oscillations of electrical circuits.
Density	2	Density is the ratio of the mass of a substance to its volume.
Differential Equations	14	A differential equation is a mathematical equation for an unknown function of one or several variables which relates the values of the function itself and of its derivatives of various orders.
Efficiency	6	Efficiency is the ratio of an output to its corresponding input.
Elasticity - Modulus of	2	The modulus of elasticity, or Young's Modulus, is a measure of the elastic force of any substance, expressed by the ratio of a stress on a given unit of the substance to the accompanying distortion, or strain.
Electric Capacitance	2	Capacitance is the capability of a body, a system, or an electric circuit for storing electric charge.
Electric Circuits	2	The path taken by electricity must be complete with no breaks.
Emission Spectra	1	The energy levels an atom will admit when excited.
Energy - Kinetic	8	Kinetic energy is the energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed.
Energy - Potential	4	Potential energy is the mechanical energy an object has by virtue of its position and gravity's ability to act on it. The greater the mass and height of a body, the greater the potential energy.
Equilibrium - Static	6	Static equilibrium refers to a state of rest in which all forces acting on a body cancel one another out.
Equilibrium - Thermal	4	Thermal equilibrium refers to the state when all temperatures remain constant and there is no heat transfer in a system.
Feedback	5	Feedback is used in a control system when the result of some process is used as the input to that process.
Flow - Laminar	4	Flow in a passage that is typified by slow movement of fluid in a relatively straight path along the centerline of a passage is considered laminar. Corresponds to low Reynolds's numbers.
Flow - Open channel	6	Flow in channels open to the atmosphere
Flow - Orifice/Jet	5	Flow through restricted openings.
Flow - Over weirs	6	A weir is a low dam built across a stream to raise its level or divert its flow.
Flow - Turbulent	3	Turbulent flow is a condition of flow in a passage that is typified by rapid movement of fluid in a passage, where the fluid is churning and bouncing off the passage walls. Corresponds to high Reynolds's numbers.
Force	15	A force is a quantity that produces a change in the size, shape, or motion of a body. Commonly experienced as a push or pull, force is a vector quantity, having both magnitude and direction.
Forced Vibration	4	A vibration is a limited reciprocating motion of a particle of an elastic body or medium in alternately opposite directions from its position of equilibrium, when that equilibrium has been disturbed. A forced vibration is one that is controlled and purposefully induced into a system.
Fourier Analysis	2	Complex waves can be represented or broken down as a set of simple sine waves. This operation is called Fourier analysis. The original wave can also be reconstructed from these sine waves.
Friction	4	Friction refers to the resisting force encountered when one body is moved in contact with another, or the effort expended in rubbing one object against another.
Gyroscopes	2	A gyroscope is an apparatus in which a universally mounted wheel offers resistance to turns in any direction to demonstrate the dynamics of rotational motion. The term "gyroscopics" simply refers to dynamic rotational motion in a system or apparatus.
Harmonics	2	Harmonics are secondary and less distinct tones that accompany any primary tone. Harmonics also refer to artificial tones produced by a string or column of air, when the impulse given suffices only to make part of the string or column vibrate.
Heat Capacity	7	Heat capacity is simply the amount of energy that may be stored, in the form of heat (molecular kinetic energy), in a given substance under varying conditions.
Heat Transfer	9	Heat transfer is the process by which particles at different temperatures (or parts of a single body in which the extremities are at different temperatures) seek thermal equilibrium by distributing evenly the molecular kinetic energy in the system.
Hydrostatic Pressure	5	Hydrostatic pressure is the force on an area (counteracting gravity) from fluids at equilibrium.
Ideal Gas Law	1	PV=nrt
Inertia	5	An object continues to do whatever it is doing. If it is rotating, it continues to rotate. If it is at rest, it remains at rest (unless acted on by a force of some kind).
Insulators - Thermal	2	A thermal insulator is a nonconductor of heat.
LabVIEW programming	3	An Introduction to LabVIEW Programming
Lissajous Figures	1	A Lissajous curve is the graph of the system of parametric equations which describes complex harmonic motion.
Manometer	3	A manometer is an instrument for measuring and/or comparing pressures of fluids in open or closed tubes. A manometer is essentially a pressure gauge.
Material Properties	8	Material properties are parameters that are material dependent.
Moments	1	A moment is a force applied a distance away from a pivot point.
Motors	2	A motor is a machine that converts electrical energy into mechanical energy.
Music - Properties of	3	The properties of music are in the sound waves that make it.
Natural Frequency	5	The frequency at which an object naturally resonates at.
Planck's Hypothesis	1	Energies are quantized.
Power	4	Power is a measure of how rapidly you do work.
Precession	1	Precession refers to the motion of a spinning body (such as a top) in which it wobbles so that the axis of rotation sweeps out a cone.
Precision	2	Precision characterizes the degree of mutual agreement among a series of individual measurements, values, or results.
Pressure	7	Pressure is defined as the force divided by the area over which the force acts.
Probability	1	Probability is the likelihood of the occurrence of any event.
Pumps	3	A pump is a device to lift, transfer, or increase the pressure of a fluid (liquid or gas) or to create a vacuum.
Qualitative Demonstrations	2	Qualitative demonstrations are useful tools to visually demonstrate a phenomenon.
Radiation	2	Radiation refers to the physical phenomenon of the emission of energy (e.g., heat, light, etc.) in the form of waves or particles.
Resolution	4	Resolution is the smallest unit that your measuring device can measure.
Resonance	3	Resonance occurs when a series of small pushes with the right timing and causes an object to build up a large amount of energy.
Reynolds's Number	3	the Reynolds number is the ratio of inertial forces to viscous forces and consequently it quantifies the relative importance of these two types of forces for given flow conditions. Thus, it is used to identify different flow regimes, such as laminar or turbulent flow.
Rotational Motion	3	Rotational motion includes the equations that model a rotating rigid object.
Schrödinger's Equation	1	The fundamental axiom of quantum physics.
Sensors	5	A sensor is anything that receives a stimulus and responds. Typically, these are electronic devices used to measure a physical quantity (e.g., temperature, pressure, etc.) and convert it into an electronic signal to be interpreted by a computer or measurement system.
Simple Harmonic Motion	4	A body will undergo simple harmonic motion when the force that tries to restore the object to its rest position is proportional to the displacement of the object. A pendulum and a mass on a spring both undergo this type of motion which can be described by a sine wave.
Sound - Audible	3	A vibration of your eardrum is responsible for the thing we call sound.
Steady State	5	Steady state occurs when the parameters of a system reach a point where they remain constant and are not changing with time.
Stefan-Boltzmann	1	The mathmetical model of radiative heat droping off over distance.
Stress/Strain	12	Stress refers to the force or combination of forces which produce a distortion or deformation (strain).
Surface Tension	1	Molecules at the surface of a liquid attract each other forming a kind of "skin".
Temperature	10	Temperature is a measure of the hotness or coldness of a body or environment corresponding to its molecular (kinetic) activity.
Tension	8	Tension refers to the stretching of a body (especially in mechanical or materials testing).
Terminal Velocity	1	The constant maximum velocity that can be obtained by a body falling through a fluid to the interaction of aerodynamic forces (e.g., lift and drag).
Thermodynamics	7	The science of mechanical action or relations of heat and conversion of different forms of energy.
Torque	5	The measure of force applied to a lever arm. Normally expressed in lb.-ft. (pound-feet) or lb.-in. (pound-inch).
Trajectory	1	A trajectory is the path in space followed by a body.
Transient Analysis	6	The analysis of a system as it changes with time.
Vaporization	1	When a liquid reaches a certain critical temperature, any added heat will go into changing the liquid into a gas.
Velocity	3	Velocity is a vector that describes the speed and direction of an object.
Venturi Effect	3	A venturi is a short, tapered tube or nozzle. The effect that a venturi or nozzle has on fluid flow is that it causes an increase in the velocity and a corresponding decrease in pressure and that is used especially in measuring fluid flow or for creating a suction.
Vibrations	10	A vibration is a limited reciprocating motion of a particle of an elastic body or medium in alternately opposite directions from its position of equilibrium, when that equilibrium has been disturbed.
Viscosity	1	The measure of resistance to flow of a fluid against an established standard.
Waves	4	Waves are crests or troughs resulting from oscillatory motion. Waves refer to both the oscillations of the surfaces of fluids as well as the undulation of electronic signals.