31 July 2021

Working Model of Heart

Teaching GCSE Biology using a model heart to demonstrate the circulatory system. I find that only half filling with red liquid better shows the direction of the flow.




No comments:

Post a Comment

Plastic Sulfur — Making and Watching an Unstable Allotrope

  Plastic Sulfur — Making and Watching an Unstable Allotrope How Can a Brittle Yellow Solid Become Rubbery? Imagine showing a student a samp...