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How I teach ultrafiltration and selective reabsorption in the kidney
The nephron is a tricky concept for many students but it doesn't have to be. In this post, I explain how I've taught it recently, without...
Christian Moore Anderson
Feb 224 min read
160 views


How I teach oxygen dissociation curves with a stock and flow model
Oxygen dissociation curves are difficult for students. I often find that difficulty comes from trying to visualise the mechanism through...
Christian Moore Anderson
Dec 5, 20246 min read
199 views


How I teach speciation with a stock and flow model
Teaching about natural selection gives a mechanism for how species change but it doesn't directly address how one species can diverge...
Christian Moore Anderson
Nov 24, 20245 min read
439 views


How I teach the role of fungi in ecosystems as autonomous organisms
The role of individual organisms is vital to understanding ecosystem functions. Often, the organism—and how it goes about its life—is...
Christian Moore Anderson
Nov 8, 20244 min read
211 views


How I teach the meaning of the nervous system using variation theory
The nervous system is a great topic for exploring who we are and what we can do. It's also great for explaining experience. But to do...
Christian Moore Anderson
Nov 1, 20244 min read
492 views


How I teach enzymes with a stock and flow model
What are enzymes? For students that's a strange word. So, firstly, we'd better have a look. To do so, my favourite animation is one of...
Christian Moore Anderson
Oct 25, 20245 min read
494 views


How I teach the lac operon with a model and variation theory
The lac operon is a classic of genetics and is common in biology curricula. Yet, students can sometimes find it difficult. I want to show...
Christian Moore Anderson
Oct 12, 20245 min read
377 views


How I teach the monogenic disorder PKU with a model and some history of eugenics
If you're teaching Mendelian genetics, monogenic disorders are on the cards. But which ones are good examples? The IB has once again...
Christian Moore Anderson
Oct 4, 20245 min read
676 views


How I teach the relationship between photosynthesis & respiration in plants
The relationship between photosynthesis and respiration—within an individual plant—isn't easy for students. Often I find, they've been...
Christian Moore Anderson
Sep 20, 20245 min read
1,420 views


How I teach Endler's evolution experiments
The peppered moth of industrial England—and the Galapagos finches on Daphne Major during the 1976 drought—are common examples used for...
Christian Moore Anderson
Sep 7, 20243 min read
787 views


How I teach the nitrogen cycle with a stock and flow model
Teaching the nitrogen cycle is one of my favourite lessons. There's so much to connect to: history and everyday life. But, students also...
Christian Moore Anderson
Jun 1, 20245 min read
1,252 views


How I teach the meaning of (statistical) p-values using variation theory
A principle of variation theory is identifying the aspect you want students to discern and then varying it. When you vary it, keep all...
Christian Moore Anderson
Jan 23, 20244 min read
3,270 views


How I teach thermoregulation with a stock and flow model
How to teach mammalian thermoregulation with a system dynamics model.
Christian Moore Anderson
Nov 4, 20234 min read
372 views


How I teach osmosis with a stock and flow model
How to help students understand osmosis by building a stock and flow diagram with them.
Christian Moore Anderson
Oct 28, 20234 min read
845 views


How I teach population size controls with a model
After reading about stock and flow diagrams in my book, many people have asked for more details about how I actually go about building...
Christian Moore Anderson
Sep 8, 20238 min read
516 views

Biology teaching resources (11–18)
I co-construct meaning with students through diagrams and dialogue, so I don't have any slide decks to share. Learn how to teach this way...
Christian Moore Anderson
May 17, 20231 min read
6,932 views


How I introduce the digestive system
In my view, the teaching of the digestive system isn't just another topic of here's how the body works , but another opportunity to...
Christian Moore Anderson
Apr 28, 20233 min read
1,135 views


How should we teach the mechanism of osmosis?
What is the cause of osmosis? Typically, with my students of 14-16 years old (GCSE courses), I don't delve into the mechanism. It's the...
Christian Moore Anderson
Oct 27, 20224 min read
1,543 views


How I transitioned from Powerpoint-led lessons to drawing under a visualiser
The Powerpoint years Creating presentations were great for organising my thinking while I planned, I could include: Exactly the right...
Christian Moore Anderson
Jun 16, 20227 min read
5,472 views


How I teach blood glucose homeostasis with a stock and flow model
Glucose homeostasis—What will happen? On the surface we have the learning of the component parts of the human body that function as a...
Christian Moore Anderson
Apr 21, 20224 min read
2,773 views
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