Cutting a carrot with a hand microtome.
Here I’m unpacking my new hand microtome and explaining the different parts. A hand microtome (or cylinder microtome) is a device used to make thin cuts of a specimen for microscopic observations. The video briefly illustrates the different parts of a hand microtome.
This post explains how to make a wet mount. Video included!
Permanent slides of pollen grains can be used as a reference for identifying unknown pollen samples. It is therefore important, that the pollen grains remain in an authentic, natural shape.
Brownian motion is the random movement of particles. It is possible to observe this movement under the microscope.
School microscopes are often not equipped with phase contrast optics, which would be suitable for viewing bacteria. It is possible to see bacteria also in regular bright field, but the results are better if they are stained. Yogurt bacteria are safe for the use in schools.
It is possible to observe the plasmolysis of cells under the microscope. When salt water is added to onion cells, then the cells will lose water due to osmosis, this can be observed.