## Geostationary Satellites

[kml_flashembed movie=”http://www.helpmyphysics.co.uk/geostationary.swf” height=”450″ width=”550″ /kml]

## Electromagnetic Spectrum Information

Roll your mouse over each of the members of the electromagnetic spectrum and find out how they are detected and used.

[kml_flashembed movie=”http://www.helpmyphysics.co.uk/em_spectrum.swf” height=”450″ width=”550″ /kml]

Use this downloadable sheet to record your research. Research sheet

## Wave Practice

Try out this revision on parts of a wave.

[kml_flashembed movie=”http://www.helpmyphysics.co.uk/buzzwaves.swf” height=”450″ width=”550″ /kml]

## Mass and acceleration

Here is a movie showing how an increase in mass of an object can affect the object`s acceleration.

From the above famous equation you can see that an increase in the mass, m, will reduce the acceleration provided the unbalanced force remains the same.

This is why your car will have a smaller acceleration when it is full of passengers than it would have when empty.

## Speed of Sound

Here is a video from Twig looking at the various factors affecting the speed of sound.

## Quick Summary Posters For National 4 & 5 Pupils

Here are a couple of posters you can download to remind you of what the new National Courses.