Follow
Home
About Us
Facility Staff
Directions
Demonstration Services
Demonstrations
Place an Order
For Regularly Held Classes
For Special Events
How to Place a Demonstration Request
Demonstrations by Class
Requested Demonstrations
Faculty Forum
Outreach Forms
Liquid Nitrogen for Demonstrations
Tools & Resources
Demonstration Videos
Teaching Aid Animations
Directory of Simulations
LecDem Blog
UMD Physics Climate Committee
Discussion Forum
Links for Educators
Archived LecDem Site (~1996-2008)
Bibliography
UMD Society of Physics Students
Outreach Program Demonstrations
Outreach Programs
Outreach Program Materials
Popular Demos for Classes
News
UMD COVID-19 Dashboard
Outreach Program Homepage
UMD Physics Summer Programs
Conference for Undergraduate Underrepresented Minorities in Physics
Maryland STEM Festival
Profiles in Physics @ UMD
Quotes from our fans!
Physics is Phun October 2022
Contact Us
Needs New Photo
H3-03: REFLECTION OF PULSES IN TUBE
Category:
H3 Standing Sound Waves
Purpose
:
Demonstrate the phase of pulses reflected from open ends and closed ends of a tube.
H3-02: STANDING SOUND WAVES - REFLECTION
Category:
H3 Standing Sound Waves
Purpose
:
Demonstrate the origin of standing waves from one source and its reflection.
H3-01: STANDING SOUND WAVES - TWO SOURCES
Category:
H3 Standing Sound Waves
Purpose
:
Demonstrate the origin of standing waves from two identical sources.
H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
Category:
H2 Wave Properties of Sound
Purpose
:
Demonstrate addition of two sine waves with variable phase difference.
H2-25: QUINCKE'S INTERFERENCE TUBES
Category:
H2 Wave Properties of Sound
Purpose
:
Demonstrate interference of sound waves in a perhaps surprising way.
H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
Category:
H2 Wave Properties of Sound
Purpose
:
Demonstrate interference of sound with two coherent sound sources in a quantitative way.
H2-03: ACOUSTIC RADAR
Category:
H2 Wave Properties of Sound
Purpose
:
Illustrate how RADAR and SONAR work
H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
Category:
H2 Wave Properties of Sound
Purpose
:
Demonstrate how sound waves can be focused by concave reflectors.
G3-52: ROPE WAVE GENERATOR - ROPE TENSION VS WAVELENGTH
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Observe the change in wavelength of a vibrating rope as the tension is varied.
G3-42: TORSIONAL WAVES
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Demonstrate wave phenomena such as traveling waves, standing waves, and reflection of waves.
G3-25: SLINKY ON LECTURE TABLE - IMPEDANCE MISMATCH
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Show partial reflections and dependence of wave speed on density of the medium.
G3-23: TRANSVERSE WAVES ON A LONG SPRING - FREE END
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Show reflections at a free end.
G3-11: SHIVE WAVE MACHINE - RESONANCE ABSORPTION
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Demonstrate resonance absorption of wave energy by a mass-on-spring system.
G3-10: SHIVE WAVE MACHINE - BRANCHING
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Demonstrate branching and recombining with two wave machines in parallel.
G3-09: SHIVE WAVE MACHINE - FREQUENCY FILTERING
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Demonstrate frequency filtering through a "filter" consisting of four weighted crossarms and the interference from partial reflections they produce.
G3-08: SHIVE WAVE MACHINE - FABREY-PEROT INTERFEROMETER
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Demonstrate the mechanical analog of the optical Fabrey-Perot interferometer.
G3-07: SHIVE WAVE MACHINE - TAPERED TRANSFORMER
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Useful for obtaining a reasonably good impedance match between the two large segments of the Shive machine.
G3-05: SHIVE WAVE MACHINE - PARTIAL REFLECTIONS
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Show that a wave will be partially reflected at a point where the impedance changes.
G3-06: SHIVE WAVE MACHINE - IMPEDANCE MATCHING
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Show that no reflection occurs when the impedance of the load (absorber at right) matches the impedance of the wave machine.
G3-04: SHIVE WAVE MACHINE - STANDING WAVES
Category:
G3 Mechanical Waves - One Dimensional
Purpose
:
Demonstrate standing waves.
Start
Prev
2
3
4
5
6
7
8
9
10
11
Next
End
Page 7 of 20
A General Materials and Mathematics
A1 Basic Materials and Measurement
A2 Mathematics
B Statics
B1 Center of Mass Statics
B2 Equilibrium of Forces and Torques
B3 Simple Machines
B4 Elasticity
C Kinematics and Dynamics
C1 Center of Mass Motion
C2 Kinematics in One and Two Dimensions
C3 First Law of Motion
C4 Second Law of Motion
C5 Third Law of Motion
C6 Friction
C7 Collisions
C8 Mechanical Energy and Power
D Rotational Mechanics
D1 Rotational Kinematics and Dynamics
D2 Moment of Inertia
D3 Angular Momentum
D4 Gyroscopes
D5 Rotational Esoterica
E Gravitation and Astronomy
E1 Gravitation and Orbits
E2 Astronomy
F Fluid Mechanics
F1 Pressure in Static Fluids
F2 Buoyancy
F3 Surface Tension
F4 Fluid in Motion
F5 Forces in Moving Fluids
G Vibrations and Mechanical Waves
G1 Simple Harmonic Motion
G2 Resonance and Coupled Oscillations
G3 Mechanical Waves - One Dimensional
G4 Mechanical Waves - Two Dimensional
H Sound
H1 Nature of Sound
H2 Wave Properties of Sound
H3 Standing Sound Waves
H4 Music
H5 The Ear
H6 The Voice
I Thermodynamics
I1 Thermal Properties of Matter
I2 Transfer of Heat
I3 Gases
I4 Changes of State
I5 Laws of Thermodynamics
I6 Kinetic Theory and Statistical Mechanics
I7 Solid State and Low Temperature Physics
J Electostatics and Magnetostatics
J1 Electrostatic Charge and Force
J2 Electrostatic Devices and Applications
J3 Electric FIelds and Potential
J4 Capacitance and Polarization
J5 Magnetostatics
J6 Electromagnets
J7 Magnetic Materials
K Electromagnetic Principles
K1 Forces on Moving Charges
K2 Electromagnetic Induction
K3 Transformers
K4 Motors and Generators
K5 Electrical Properties of Matter
K6 Electric Circuits and Instruments
K7 RLC Circuits
K8 Electromagnetic Waves and Sources
L Geometrical Optics
L1 Light Sources and Light Rays
L2 Plane Mirrors
L3 Curved Mirrors
L4 Refraction
L5 Total Internal Reflection
L6 Lenses
L7 Optical Instruments
M Wave Optics
M1 Interference and Diffraction - Slits and Gratings
M2 Diffraction - Circular
M3 Interferometers
M4 Thin Film Interference
M5 Interference and Diffraction Esoterica
M6 Holograms
M7 Linear Polarization and Scattering
M8 Optical Activity and Birefringence
M9 Circular Polarization
N Spectra and Color
N1 Continuous Spectra
N2 Line Spectra
N3 Color
O Vision
O1 Image Production
O2 Visual Latency
O3 Color Vision
O4 Optical Illusions
P Modern Physics
P1 Relativity
P2 Quantum Mechanics
P3 Atoms and Molecules
P4 Nuclei and Particles
Q Biophysics
Q1 Musculoskeletal Systems
Q2 Organs
Q3 Genetics and Molecular Biology
I6-01 GAS PRESSURE - MODEL
Illustrates the molecular nature of gas pressure
Read More
I6-02: NITROGEN DIAMETER AND MEAN FREE PATH
Experimentally determine the diameter of the nitrogen molecule and to determine the order of magnitude of the mean free path
…
Read More
I6-03 EQUIPARTITION OF ENERGY
Demonstrates equipartition of energy
Read More
I6-11: BROWNIAN MOTION WITH TV
Demonstrates equipartition of energy
Read More
I6-13: AIR TABLE - MODEL OF BROWNIAN MOTION
Simple model of Brownian motion.
Read More
I6-21 GAS DIFFUSION - MODEL
Models gas diffusion through a small hole
Read More
I6-22: IODINE DIFFUSION TUBES
Demonstrate diffusion.
Read More
I6-23 DIFFUSION - FOOD COLOR IN WATER
Demonstrates diffusion
Read More
I6-24: DIFFUSION VELOCITY
Show that the diffusion velocity is proportional to the RMS molecular velocity.
Read More
I6-25: DIFFUSION - DISTRIBUTION OF PING PONG BALLS
Demonstrate on a macroscopic scale using ping pong balls how random molecular motion causes substances to diffuse.
Read More
I6-31: MOLECULAR MOTION DEMO - BROWNIAN MOTION
Model Brownian motion.
Read More
I6-32: MOLECULAR MOTION DEMO - RANDOM MOTION IN GASES
Model random molecular motion.
Read More
I6-33: MOLECULAR MOTION DEMO - GAS PRESSURE
Model gas pressure.
Read More
I6-34: MOLECULAR MOTION DEMO - TEMPERATURE OF A GAS
Model gas pressure.
Read More
I6-35: MOLECULAR MOTION DEMO - DIFFUSION
Model gas diffusion.
Read More
I6-36: MOLECULAR MOTION DEMO - AVOGADRO'S HYPOTHESIS
Help justify Avogadro's hypothesis using a model.
Read More
I6-37: MOLECULAR MOTION DEMO - VAN DER WALLS FORCES
Introduce the concept of attractive force between molecules.
Read More
I6-38: MOLECULAR MOTION DEMO - BOYLE'S LAW
Model Boyle's law.
Read More
I6-39: MOLECULAR MOTION DEMO - CHARLES' LAW
Model Charles' law.
Read More
I6-40: MOLECULAR MOTION DEMO - SOLIDS
Model the behavior of solids.
Read More
I6-41: MOLECULAR MOTION DEMO - LIQUIDS
Model the behavior of liquids.
Read More
I6-51 ENTROPY - SORTING MARBLES
Demonstrates that increasing entropy requires less energy than decreasing entropy
Read More
I6-52: ENTROPY - FOUR BALLS IN GAS DIFFUSION MODEL
Demonstrate that an ordered state is statistically possible.
Read More
I6-61: MAXWELL'S DEMON
Example of a "Maxwell Demon."
Read More
1