Archivo de la categoría: Lab
This is what we are trying today in the lab… We will check and see if our cells are really respiring!!
Gently scrape the inside of your cheek. Put the scrapings onto the surface of a microscope slide. Add a drop of methylene blue to the scrapings on the slide. This will stain the cells and help you to see them. … Sigue leyendo
Let´s watch this video to be able to understand what we´ll be doing in the lab… It can also help you to think about and answer the questions, the results and the conclusion… Now, let´s look at expansion AND contraction … Sigue leyendo
Let us learn and revise this topic to be able to understand better what we do in the lab… http://www.ducksters.com/science/acids_and_bases.php Let´s look at some examples of ph… And what about testing substances using red and blue … Sigue leyendo
Theses videos will help you revise and understand what happens when molecules diffuse, such as our methylene blue diffusing in water or perfume sprayed in the lab…