Physics demonstration films

This series of videos have been produced by the National STEM Learning Centre and the Institute of Physics. They are mostly aimed at teachers and illustrate how to perform simple demonstrations and use particular pieces of equipment. Some topics have versions of the video that could be used with students in the classroom. The topics covered in the videos are:

  • Demonstrating diffraction using laser light
  • Using an electron diffraction tube
  • Using a Van de Graaff generator
  • A simple wave machine
  • Creating a bin-bag capacitor
  • Using an oscilloscope
  • Illustrating the movement of particles in Brownian motion
  • Demonstrating the process of electromagnetic induction
  • Compressing a gas in a fire piston
  • Using a signal generator to illustrate waves and sound
  • Transmission of electricity along power lines
  • Creating a simple electric motor
  • Static electricity and charge with an 'electric sausage'
  • Gravity and the motion of projectiles with the Monkey and Hunter demonstration
  • Demonstrating thermal conductivity

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Fire piston

This video demonstrates how compressing a gas increases its temperature. A small piece of cotton wool is placed into the bottom of a narrow plastic tube. When the air is rapidly compressed by a piston, the air temperature increases and the cotton ignites. The 'fire piston' can be used to illustrates the transfer of...

Signal generator

This video demonstrates the use of a signal generator to illustrate waves and sound. The video shows how features such as frequency, amplitude and wave form can be demonstrated using a loudspeaker and an oscilloscope.

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Power lines

Alom Shaha shows a demonstration that can be used to illustrate power transmission and why high voltages are used to minimise power loss. This video is aimed at teachers...

Electric motor

This video shows a simple method for making an electric motor using a battery, strong magnets and a copper coil. It allows students to investigate Fleming's left hand rule and the forces generated in an electric motor.

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