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Friday, March 19, 2021

Physics Demonstration Videos.

Physics Demonstration Videos

These videos have been developed for different elementary physics courses (including this one) and have been very instrumental when those courses had to be taught in a fully remote format.

More videos, that may be not as useful as from the list, are available here, and here.

The department web site also has some video demonstrations; the indicator of a video is letter V in the description of a demo (see an example below).


For publications on strategies for teaching STEM courses follow to this website.


General topics


1.A demonstration show with Prof. Andrew Duffy (~1,5 hours)

2.Two nice programs for video data collection and analysis

3.Converting 1L

4.Unit (dimensional) analysis

5.What is a vector? The basics.

6.Elementary operations with a vector.

7.How to add vectors.

8.Vector addition (another version)

9.Adding vectors: an example




10.Motion is relative!

11.An example of 1-D case of relative motion

12.How to read a position graph.

13.How to relate the direction of velocity and of acceleration.

14.Using LoggerPro to study 1-dimentional motion.

15.The basics of the motion with constant acceleration (MCA)

16.which cart wins the race?

17.A race: Two carts on two tracks

18.X-Y independence (old)

19.X-Y independence – new version

20.A Ballistic cart (old)

21.A Ballistic cart – new version

22.A Monkey and a hunter

23.A monkey and a hunter demo (another version)

24.2D Velocity (crossing a river using the fastest path)

25.An example of 2-D relative motion (crossing a river)



26.Introduction into friction

27.What is "apparent weight"?

28.Newton's cradle

29.Third Newton's Law

30.The essence of the Newton's third law

31.Introduction into LCLM (law of conservation of linear momentum)

32.Momentumcart (“an air rocket”)

33.Cartmomentum (the law of conservation of linear momentum)

34.A "happy ball - sad ball" experiment. (home edition)

35.Happy and Sad balls

36.Center of mass of a system

37.Introduction into LCME (law of conservation of mechanical energy)

38.Ballistic pendulum

39.Ballistic pendulum (home edition).

40.Examples of elastic collisions.

41.Examples of collisions between two carts.

Rotation, Circular motion, Rolling

42.Velocity of a ball on a string in UCM (uniform circular motion)

43.Why in UCM (uniform circular motion) there is always acceleration?

44.Rotational dynamics (centripetal forces as a function of a radius)

45.Rotational kinematics

46.Conic Pendulum

47.Loop the loop

48.Carnival ride model

49.Introduction into torque: examples, definition

50.Finding the direction of torque.

51.Solving a problem on torque: an example #1.

52.Mass v. mass distribution for rotational inertia.

53.Torque (Newton’s 2nd law for rotation): experiment 1

54.Torque (Newton’s 2nd law for rotation): experiment 2

55.The equilibrium condition for a solid object.

56.A problem-solving strategy for problems on torque.

57.An example of the law of conservation of angular momentum: a shot in a disk.

58.An example of the law of conservation of angular momentum: a drop on a disk.

59.Rolling a big spool on a table and different shapes down a ramp


Pressure, Fluids

60.Crash a can

61.A balloon in a jar

62.09 19 2018 air cannon test

63.11/12/2015 12:50 air cannon test

64.The air cannon demonstration

65.Talking about the atmospheric pressure

66.Having fun with a floating balloon buoyancy vs gravity

67.A Flying ball

68.Fluid dynamics

69.Four viscosity experiments (a drop in a glycerin; Stokes’ law; water v. glycerin; bubbles in fluids)

70.Viscosity (Stokes’ law)

71.Air bubbles in liquids with different viscosity


Oscillations and waves

72.Hanging slinky (a longitudinal pulse)

73.Horizontal Simple Harmonic Motion

Gas laws and thermodynamics

74.Molecular motion

75.Ideal Gas Law experiments

76.An experiment on the Gay-Lussac’s Law

77.An experiment on the Gay-Lussac’s Law (another version)

78.The definition and two nice demonstrations for an adiabatic process.

79.Two adiabatic experiments

80.Cool cooling! (two cans)

81.How to find the work done by gas in one cycle: an example

82.Calculating the efficiency of a non-Carnot engine.

83.Two working heat engines: a small demo.

84.Heat engine experiments

85.Making things cool (experiments with LN2)


Electricity and Magnetism

86.Introduction into electric force: simple demonstrations.

87.Using an electroscope E1

88.Using an electroscope E2

89.Using an electroscope E3

90.Using an electroscope E4

91.Using an electroscope E5

92.Using an electroscope E6

93.Using an electroscope E7

94.Using an electroscope E8

95.On Coulomb’s Law

96.Electric filed and electric potential demonstration

97.A discussion about electric field and electric potential

98.A dipole in electric field from a Wimshurst machine

99.A new way of doing peanuts and VDG generator experiment

100.       A simple demo an electric dipole in a capacitor

101.       Parallel-plate capacitor (charging and changing the distance)

102.       Inserting a dielectric in a capacitor

103.       Discharging a big capacitor

104.       Peanuts and Van Der Graaf experiment

105.       Van De Graaff Generator makes a spark that lightens up a lamp

106.       Aliens exist! (electrostatics)

107.       A discussion on the Ohm’s Law

108.       An open bulb in LN2

109.       AC LR circuit (variable inductance and a bulb)

110.       What is happening in an RL-circuit

111.       What is happening in an RC-circuit

112.       Curie POINT

113.       Curie point

114.       3D magnetic field

115.       Iron filings in magnetic field

116.       The Earth is a magnet

117.       e over m beam

118.       Electrons in a circular trajectory

119.       Oersted effect

120.       Three simple demonstrations on magnetism (a jumping wire; a ring in a magnetic field, a DC motor).

121.       On the right-hand rule.

122.       Force on a wire in magnetic field

123.       A spinning loop (a DC motor)

124.       3 Faraday coils

125.       An experiment on mutual inductance

126.       Motional EMF

127.       Faraday's law makes Samsung pay works

128.       A bulb and a generator

129.       Genecon generators and a bulb

130.       A card reader

131.       A card reader and an oscilloscope (reading a card)

132.       A card reader and an oscilloscope (using a magnet)

133.     A jumping ring and a induction coil (a transformer)

134.     Eddy currents in a pendulum

135.     Example on Lenz's law

136.     Magnetic Eddy current brake

137.     Dropping a magnet in a pipe

138.     Electro magnetic wave is polarized (an EMW generator and a receiver)

139.     Faraday's cage, shielding

140.     Evanescent wave demo (and total internal reflection for EMW)

141.     Pile driver (can crusher) as polarizer (mechanical model of polarization)


Modern Physics

142.     Electron diffraction

143.     Surviving an explosion of … (“the chain reaction”)


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