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
J4-01 PARALLEL PLATE CAPACITOR
Demonstrates that potential difference across a capacitor is proportional to the plate separation
Read More
J4-03: PARALLEL PLATE CAPACITOR - SERIES CAPACITORS
Demonstrate the effect of capacitors in series.
Read More
J4-04 PARALLEL PLATE CAPACITOR - IONIZATION OF AIR
Demonstrates the mobility of ions
Read More
J4-12: ELECTROSTATIC FORCE - MOVING LUMBER
Demonstrate polarization of water molecules.
Read More
J4-13: MATCHSTICK ON NICKLE UNDER GLASS
A simple trick easily solved with the application of electrostatic force and the polar nature of water molecules.
Read More
J4-21: COLOR FILTER MODEL OF CHARGED DIELECTRIC
Represent charge separation in a capacitor dielectric.
Read More
J4-22 PARALLEL PLATE CAPACITOR WITH DIELECTRIC
Demonstrates that inserting a dielectric into a capacitor increases the capacitance
Read More
J4-23: POLARIZATION OF DIELECTRIC - DISSECTIBLE LEYDEN JAR
Demonstrate that energy is stored in a capacitor as charge separation in the dielectric.
Read More
J4-24: FORCE ON DIELECTRIC IN ELECTRIC FIELD
Demonstrate the force on a dielectric in an electric field.
Read More
J4-31 ENERGY STORED IN A CAPACITOR
Demonstrates that energy is stored in a capacitor and how that energy may be used
Read More
J4-32 DISCHARGE OF CAPACITOR WITH BANG
Demonstrates that capacitors store electrical energy
Read More
J4-41: CAPACITORS
Display a variety of capacitors
Read More
J4-42: CAPACITORS IN SERIES AND PARALLEL
Demonstrate the voltage/charge/capacitance relationships in series and parallel capacitor circuits.
Read More
J4-43: CAPACITORS IN SERIES AND PARALLEL WITH PROJECTION METER
Illustrate voltage relations in series and parallel capacitor circuits.
Read More
J4-51: THEREMIN
Demonstrate the theremin
Read More
1