Squashing the specimens (instead of cutting them) is a fast and easy way to prepare specimens.
Observing human cells is a good introductory activity to learn heat-fixing and staining.
There are several methods how bubbles can be reduced when making slides.
This post explains how to make a wet mount. Video included!
Before specimens can be processed for making permanent slides, they may need to be fixed.
This post gives an overview of different water-based and non-water-based mounting media and their advantages and disadvantages.