CLASS DEMONSTRATIONS - PHYS 104, Spring 2005

Last update: May 6, 2005

Students are not responsible for demonstrations in square brackets [like these] or strikethroughs [like these]; they were not shown in class. Nonetheless, it would be worthwhile to look them up online to see what they show.

Link to demonstration lists for Spring 2003 and Spring 2004

Jan. 26:

C3-02: INERTIA - TABLECLOTH TRICK

C3-04: INERTIA - LEAD BRICK AND HAND

C3-06: INERTIA: JENGA

C3-12: PENCIL AND PLYWOOD

Jan. 28:

C2-01: AIR TRACK - CONSTANT VELOCITY AND UNIFORM ACCELERATION

C2-07: FREE FALL - EQUAL TIME INTERVALS

C2-21: BALLS DROPPED AND SHOT

C4-01: AIR TRACK - NEWTON'S SECOND LAW

C4-33: FREE FALL IN VACUUM - FEATHER AND BALL

Jan. 31:

C2-21: BALLS DROPPED AND SHOT

C2-22: MONKEY AND HUNTER

C2-25: FUNNEL CART

C2-41: VECTOR ADDITION OF VELOCITIES

C5-01: NEWTON'S THIRD LAW - STATIC DYNAMOMETERS

C8-03: GALILEO'S PENDULUM

C8-04: HILL TRACK

Feb. 2:

B2-02: SUM OF FORCES - SPRING SCALES

B2-03: EQUILIBRIUM OF FORCES - INCLINED PLANE

B1-01: CENTER OF MASS - DISC SECTION

B1-13: CENTER OF MASS - FORK AND SPOON ON TOOTHPICK

B1-14: CENTER OF MASS - BOTTLE

B2-32: EQUILIBRIUM OF TORQUES - LARGE

B2-35: EQUILIBRIUM OF TORQUES ON METERSTICK

B2-42: ARM MODEL

B3-03: LEVER - WRECKING BAR

Feb. 4:

D2-01: RING AND DISC ON INCLINED PLANE

C6-11: SLIDING FRICTION - LECTURE TABLE AND FELT

C6-03: INCLINED PLANE - FRICTION WITH THREE BLOCKS

C6-14: SOCIAL CLIMBER

D1-61: ROLLING VERSUS SLIDING

D1-82: ROLLING FRICTION

BOX ON ROLLERS

Feb. 7:

C7-01: AIR TRACK - ELASTIC COLLISIONS

C7-11: COLLISIONS OF BALLS - EQUAL MASSES (Newton's Cradle)

C7-04: AIR TRACK - COLLISION VELOCITY MULTIPLIER

C7-15: COLLISIONS OF BALLS - 3 TO 1 MASS RATIO

C7-18: COLLISION OF BALLS -- ASTRO BLASTER

C7-23: MEDICINE BALL AND SKATEBOARD

D3-03: ROTATING CHAIR AND WEIGHTS

D3-05: ROTATING CHAIR AND BICYCLE WHEEL

D2-02: MISCELLANEOUS BODIES ON INCLINED PLANE

Feb. 9:

D2-02: MISCELLANEOUS BODIES ON INCLINED PLANE

D2-11: HINGED STICK AND FALLING BALL

B4-01: HOOKE'S LAW

B4-02: HOOKE'S LAW - COMPRESSING A SPRING

B4-11: ELASTIC LIMIT OF RUBBER BAND

C4-53: WEIGHTLESSNESS IN FREE FALL - MASS ON SPRING

C4-62: DROPPED SLINKY

Vectron Ultralite hovering flying toy

Feb. 11:

C7-14: COLLISIONS OF BALLS WITH FLOOR

C7-15: COLLISIONS OF BALLS - 3 TO 1 MASS RATIO

C7-16: HAPPY AND UNHAPPY BALLS

C7-18: COLLISION OF BALLS -- ASTRO BLASTER

C7-25: SUPERBALL, VACUUM MUD AND WOOD BLOCK COLLISIONS

D2-21: CENTER OF PERCUSSION - BAT AND MALLET

Feb. 14:

C8-04: HILL TRACK

D1-34: ROTATING MASS ON SPRING

D1-38: MAGNETSLINGER

D1-41: ROTATING WATER BUCKET

D1-52: FAIRGROUND ROTOR

D1-53: LOOP-THE-LOOP

Feb. 16:

F2-02: CARTESIAN DIVER

F2-01: ARCHIMEDES' PRINCIPLE

F2-07: BUOYANCY - PEPSI AND DIET PEPSI

F2-31: BUOYANT BALLS IN BEANS

I3-14: MAGDEBURG HEMISPHERES

I3-16: COLLAPSE OF CAN - LARGE PUMP

Feb. 18:

F1-02: FLUID PRESSURE VS DEPTH - ANEROID GAUGE

I3-33: HELIUM BALLOON ON LIQUID NITROGEN

C4-15: HELIUM BALLOON IN ACCELERATED BOX

F2-22: BUOYANCY PARADOX - ACCELERATED FRAME

I3-43: TIRE PRESSURE - UNLOADED AND LOADED

F1-04: EQUILIBRIUM TUBES

F2-02: CARTESIAN DIVER

F2-03: CARTESIAN DIVER - EXPLICIT VERSION

K4-07: BICYCLE GENERATOR

Feb. 21:

F1-11: HYDRAULIC PRESS

F1-14: PISTON DIAMETER VS TRAVEL - WORKING MODEL

F1-21: LIPLESS STRAW

F5-21: VENTURI TUBE WITH MANOMETERS

F5-24: VENTURI TUBE WITH WATER - MANOMETERS

F5-03: BERNOULLI'S PRINCIPLE - THIN METAL SHEETS

F5-06: BERNOULLI'S PRINCIPLE - BEACH BALL

F5-09: BERNOULLI'S PRINCIPLE - HAIRDRYER AND PING PONG BALL

Feb. 23:

C5-14: ROCKET TRIKE

C5-16: HERO'S ENGINE

C5-17: ROCKET BOTTLE

C5-18: FAN CART

Feb. 28 March 2:

E1-11: POTENTIAL WELL - MODEL

G1-60: CHAOS - TWO DOUBLE PHYSICAL PENDULA

I1-63: HYDROGEN EXPLOSION

March 4:

2 TENNIS BALLS (CHEMICAL BONDING OF ATOMS)

I2-43: CONVECTION - HOT PLATE

I2-44: CONVECTION - CANDLE IN CYLINDER

I2-42: FALLING CANDLE

[I2-21: THERMAL CONDUCTIVITY OF METALS]

L3-16: FOCUSING OF HEAT WAVES BY MIRRORS

March 7:

P2-21: BLACK BODY MODEL

I2-06: THERMOPILE WITH AUDIO OSCILLATOR

I2-08: RADIATIVE HEAT TRANSFER

I2-11: THERMOS BOTTLE

K8-01: ELECTROMAGNETIC WAVE - MODEL

L3-18: FOCUSING OF HEAT WAVES - OVERHEAD PROJECTOR

N1-05: SPECTRA - VISIBLE AND INVISIBLE

[N1-07: VARIATION OF SPECTRUM WITH LAMP INTENSITY]

[I2-10: DEWARS - SILVERED AND UNSILVERED]

L1-03: LIGHT BULB WITHOUT VACUUM

March 9:

I1-12: THERMAL EXPANSION - BALL AND RING

I1-13: THERMAL EXPANSION - BIMETAL STRIP

[I1-15: THERMAL EXPANSION - PIN BREAKER]

I1-18: BIMETALLIC STRIP THERMOMETERS

March 11:

I4-32: FREEZING WATER BY PUMPING

I5-12: ADIABATIC EXPANSION OF AIR - FOG IN BOTTLE

[I5-01: MECHANICAL EQUIVALENT OF HEAT - SHOT BAG]

I4-18: PULSE GLASS

I5-11: ADIABATIC PROCESS - AIR PISTON WITH THERMISTOR

March 14:

I5-22: FIRE SYRINGE

I5-32: STIRLING ENGINE

March 16:

J1-01: TRIBOELECTRICITY - CHARGING BY FRICTION

J1-04: KILOVOLT INSTRUCTOR

J1-05: CHARGED BALLOONS

J1-26: VAN DE GRAAFF - REPULSION OF PIE PANS

J2-15: ELECTROSTATIC SMOKE PRECIPITATOR

J3-01: EXISTENCE OF ELECTRIC FIELDS

March 18:

J2-14: LIGHTNING ROD SIMULATOR

J2-13: PLASMA MACHINE - EYE OF THE STORM

J2-31: JACOB'S LADDER

March 28:

J5-01 MAGNETIC FIELD OF A BAR MAGNET

J5-04 MAGNETS

J5-05 MAGNET MODEL - FIELD LINES

J5-06 MAGNET - BROKEN BUT NO MONOPOLE

J5-32: MAGNETIC LEVITATION - PERMANENT MAGNET AND ELECTROMAGNET

E2-51: GRAVITATIONAL COLLAPSE - MODEL

March 30:

I7-21: SUPERCONDUCTIVITY - MAGNET LEVITATION

J5-14: MAGNETIC FIELD AROUND SINGLE AND PARALLEL WIRES

K2-04: FARADAY'S EXPERIMENT - EME SET - 20, 40, 80 TURN COILS

K2-44: EDDY CURRENT PENDULUM

K5-12: BATTERY AND CIRCUIT - WORKING MODEL

K5-13: ELECTRIC CURRENT - MODEL

K6-03: SERIES AND PARALLEL LIGHT BULBS - BATTERY AND CLIP-ON WIRES

K6-21: HEATING IN CURRENT-CARRYING WIRE

April 1:

K5-31: OHM'S LAW

K6-01: SERIES AND PARALLEL LIGHTS - TWO BULBS

April 4:

K3-04: DEMOUNTABLE TRANSFORMER - V VS N - OSCILLOSCOPE

K2-04: FARADAY'S EXPERIMENT - EME SET - 20, 40, 80 TURN COILS

K2-43: LENZ'S LAW - PERMANENT MAGNET AND COILS

K4-01: AC/DC GENERATOR

K4-02: MAGNETOELECTRIC GENERATOR WITH LAMP

K4-41: MOTOR-GENERATOR PAIR

April 6:

[K4-24: AC/DC MOTOR]

H1-02: SPEAKER AND CANDLE

H1-11: MICROPHONE AND OSCILLOSCOPE

J7-23: MAGNETIC DOMAINS - MODEL

April 8:

J6-01: ELECTROMAGNET WITH BANG

J7-21: HYSTERESIS

J7-24: BARKHAUSEN EFFECT

J7-31: VISIBLE HARD DRIVE

K6-33: WHEATSTONE BRIDGE

April 11:

SAMPLES OF COLOR-CODED RESISTORS

J4-01: PARALLEL PLATE CAPACITOR

J4-32: DISCHARGE OF CAPACITOR WITH BANG

J4-41: CAPACITORS

K5-43: NON-OHMIC DEVICE - V VS. I

K5-42: TRANSISTOR

April 13:

K7-03: INDUCTOR DELAYING A LAMP

K7-21: RLC CIRCUIT - 10 KHZ - RESONANCE

K2-22: INDUCTION COIL WITH LIGHT BULB

G2-01: MASS ON SPRING - HAND HELD

H3-61: BEAKER BREAKER

April 15:

K8-01: ELECTROMAGNETIC WAVE - MODEL

K8-03: LIGHT NANOSECOND

K8-42: RADIOWAVES - ENERGY AND DIPOLE PATTERN

H4-58: MODULATION - AM RADIO

H4-51: MODULATION - AM AND FM

K1-03: FORCE ON CURRENT IN MAGNETIC FIELD

April 18:

K1-12: CATHODE RAY TUBE - DEFLECTION BY MAGNET

K1-15: OSCILLOSCOPE CRT - DEFLECTION BY ELECTRIC FIELD

K1-16: VISIBLE CRT

April 22:

N3-04: POSITIVE COLOR MIXING IN COLOR TV

O2-03: PERSISTENCE OF VISION - MAGIC WAND

K8-11: MICROWAVES - STANDING WAVES

K8-21: MICROWAVES - WAVEGUIDES

K8-22: MICROWAVES - TUBULAR WAVEGUIDE

G4-22: CHLADNI FIGURES - OSCILLATOR DRIVEN

J4-12: ELECTROSTATIC FORCE - MOVING LUMBER

April 25:

K8-51: MICROWAVE OVEN

L2-03: MICROWAVES - REFLECTION

L4-02: REFRACTION - BEER MUG IN WATER

L4-03: REFRACTION - ROD IN WATER

Illustration of refraction using rope carried by line of walkers

April 27:

L4-41: MICROWAVES - REFRACTION BY PRISM

N1-21: COLOR SEPARATION AND RECOMBINATION BY PRISMS

L5-02: TOTAL INTERNAL REFLECTION IN LONG TANK

L5-04: MICROWAVES - TOTAL INTERNAL REFLECTION

L5-12: PLEXIGLASS SPIRAL

M7-05: ROPE AND COOKIE COOLERS

M7-01 MICROWAVES - POLARIZATION

April 29:

M7-07 CROSSED POLAROIDS - E FIELD COMPONENTS

P3-53 ATOMIC ENERGY LEVEL MODEL

N1-41: RAINDROP RAY MODEL

N1-45: RAINBOW - WATER FLASK

M4-11: ANTI-REFLECTIVE COATING

L5-23: FIBER OPTICS TREE

L5-24: FIBER OPTICS COMMUNICATION LINE

M4-21 SOAP FILM INTERFERENCE - SIMPLE LARGE VERSION

P3-67 FLUORESCENCE OF LAUNDRY SOAP

P3-71 VISIBLE LASER

May 2:

L6-04: OPTICAL BOARD - RAY DIAGRAM - REAL IMAGE POS LENS

May 4:

L6-08: REAL IMAGE OF CONVERGING LENS - LIGHT BULB

[O1-01: EYE MODEL - OPTICS]

L6-52: FRESNEL LENSES - MISCELLANEOUS

L7-04: DEPTH OF FIELD AND FIELD OF VIEW (done with viewgraphs)

L6-31: STRING MODEL - SPHERICAL ABERRATION

L6-33: STRING MODEL - CHROMATIC ABERRATION

May 6:

M2-01: LASER DIFFRACTION - PINHOLES

M2-21: MICROWAVES - DIFFRACTION BY CIRCULAR APERTURE

H4-67: CD WITH HOLE

May 9:

P4-01: GEIGER COUNTER

P4-11: RADIOACTIVE DECAY MODEL - DICE

[P3-31: X-RAY TUBE]

P4-06: RADIOACTIVE CONSUMER PRODUCTS

P4-60: Nuclear bomb

P4-62: CHAIN REACTION - MOUSE TRAP MODEL