IB Core
Understanding TOK in Biology
One of the best ways of identifying examples from the IB Biology course which students can use in their TOK lessons is to formulate TOK knowledge questions with a focus on Biology. These are the type...
Activities
Mitosis IB style questions - model answers
The diagram represents the cell cycle of a eukaryotic cell. A single cell diving into two is also shown. a Identify the parts of the cell cycle labelled A and B. A: …………… Interphase ………………. B:...
Activities
Poseidon & water potential HL
Is Poseidon's trident really the origin of the Greek letter Psi Ψ? If you had to decide which symbol to use to represent the concept of water potential in Biology, what symbol would you choose, "W", "aq.",...
Activities
Osmosis and water potential - model answers
The document below shows some suggestions for answers to the activity questions Water potential IB style questions on the page Poseidon & water potential HL Of course there are other possible answers...
Activities
Osmosis in organisms - model answers
The document below shows some suggestions for answers to the activity questions Osmosis in organisms worksheet on the page 'Application to organisms'. Of course there are other possible answers and...
ATL in Biology
Classification & binomial names
Students will learn how to classify organisms according to their taxonomic group, and how to understand the binomial nomenclature. These are a few introductory slides and then a card sorting activity...
Activities
Collecting osmosis data
Do different vegetables have different cytoplasm solute concentrations? This experiment is a good introduction to data processing and illustrates skills needed for success in data analysis questions in...
Activities
Mini experiments - model answers
The document below shows some suggestions for answers to the activity questions Application of omosis - mini experiments worksheet on the page Osmosis essentials Of course there are other possible answers...
Activities
Osmosis essentials
This series of activities is an introduction to the fundamental process of osmosis. The video and questions help students to understand how water moves across membranes and the terminology required to...
eBook
D2.3 Water potential - student friendly summary
Blue text shows extra clarification or guidance. Guiding questions Standard and Higher level (2 hours) D2.3.1 - Solvation is the interaction between solute particles and water molecules (Also called...