IBDP TOK Natural Sciences Complete Unit

Teach the Natural Sciences area of knowledge with a coherent five-lesson sequence designed for thoughtful discussion, real-world application, and confident TOK writing.

This complete, classroom-ready IBDP Theory of Knowledge unit explores Scope, Perspectives, Methods and Tools, Ethics, and connections to Knowledge and the Knower.

WHAT IS INCLUDED
• 5 editable PowerPoint presentations (14 slides each; 70 slides total)
• 5 teacher facilitation guides
• 5 discussion guides
• 5 knowledge organisers
• 5 key-terminology sheets
• 5 support tasks for differentiation and scaffolding
• 5 homework journals
• 5 browser-based online lessons
• Image assets and licence/attribution manifests

LESSON SEQUENCE

1. Scope — what counts as science, disciplinary boundaries, and the reach of scientific knowledge
2. Perspectives — paradigm change, scientific communities, and how viewpoints shape knowledge
3. Methods and Tools — evidence, induction and deduction, falsifiability, error, and self-correction
4. Ethics — responsibility, research ethics, competing ethical frameworks, and who decides
5. Making Connections — culture, language, expertise, trust, and the knower’s perspective

CLASSROOM FEATURES
• Inquiry-led TOK knowledge questions
• Current and historical real-world situations
• Structured discussion and philosophical-claims activities
• Claim/counterclaim writing practice
• TOK exhibition and essay connections
• Suggested timings and teacher prompts
• Built-in differentiation, reflection, and homework
• Editable files for easy adaptation

Suitable for IB Diploma Programme Theory of Knowledge, ages 16–18 / Grades 11–12, as a complete Natural Sciences unit, revision sequence, or stand-alone lessons.

Technical note: PowerPoint and Word files require compatible software. Online lessons open in a modern browser; internet access is needed for embedded or linked videos. This is an unofficial resource and is not endorsed by or affiliated with the International Baccalaureate.