Produced by the Institute of Physics, these activities demonstrate the Doppler effect.

Using sound and microwaves, the activities illustrate how changes in wavelength of spectral lines allow us to determine the motion of astronomical objects relative to ourselves.

The activities include:
*...

Produced by the Institute of Physics, in this learning episode, students look at the expanding universe by examining galaxies, Hubble's observations and cosmological red shift. A simple activity allows students to model Hubble's law.

Through discussion and activities, students look at:
* observing a...

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to distinguish between boiling and evaporation of water below boiling point.

Boiling forms a pure sample of water in the gas state (...

In this activity developed by the Institute of Physics, students use simple diffraction gratings to observe the spectra from different sources, and deduce how scientists can work out which chemicals are present in an exoplanet’s atmosphere. When an exoplanet passes in front of its star, some of the starlight is...

In this video independent and dependent variables are discussed, before experimenting with a trolley on an inclined ramp. The data is then graphed and analysed to investigate any relationship between ramp height and trolley speed. This is a GCSE Physics Practical.

A pair of videos that investigates the extension of a spring when forces are added.  The first allows students to see the experiment undertaken. This is a required practical for students to understand and be able to carry out for GCSE Combined Science and Physics. The second clip explains how to plot a graph to...

A pair of videos that investigates the extension of an elastic band when forces are added.  The first allows students to see the experiment undertaken and the second clip explains how to plot a graph to evaluate the relationship.

Extension of rubber

This video introduces permanent magnets, their fields and how to investigate them using iron filings. It also demonstrates the field between attracting and repelling magnets. 

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop ideas relating to the distinction between combustion and decomposition in the...

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop ideas relating to flames, from hydrogen to candle wax.

This downloadable animation is part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). It can be used to develop ideas relating to the formulae of substances.

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