Students use a magnet and coil and sound-editing software to detect vibrations.
Before tackling the activity, it may be helpful to include a brief overview of other ways of detecting earthquakes (e.g. balanced balls, pendulums with a pen on the free end) and their uses and limitations.
You may also find it useful to take screenshots and place them in a document for class discussion.
It is important to check that the software is already installed on the computer(s) you plan to use and to confirm any further set-up details before you use this activity in class.
You can find details of how to download and use Audacity (free, open source software) in the pdf Mindsets: Downloading and using the Audacity software.
Each group will need: