Check out this interesting web site 

https://www.instructables.com/id/Oscilloscope-How-To/ 

Learning to use the Oscilloscope 

Have you ever found yourself troubleshooting a circuit, needing more information than a simple multimeter can provide? If you need to uncover information like frequency, noise, amplitude, or any other characteristic that might change over time, you need an oscilloscope!

 

How to Use an Oscilloscope

 By Spark Fun 

 

Click here for a guide on how to use an Oscilloscope

 

http://learn.sparkfun.com/tutorials/how-to-use-an-oscilloscope 

 

http://cmccord.co.uk/Radio/oscilloscope.htm  

 

 

Oscilloscope practice worksheet 1

Worksheet 1 

 

Worksheet 2 

 

 

Oscilloscope guide

 

 Photo by Instructables.com