Description

Topic 6.4: Stratospheric Ozone

Master Topic 6.4 of the updated IB Environmental Systems and Societies (ESS) course with this comprehensive student workbook, fully aligned to the syllabus for first examinations in 2026. This workbook connects directly to the IB ESS videos on the IB ESSentials YouTube channel and additional resources on the Topic 6.4 page at MrKremerScience.com.

This workbook helps students understand how stratospheric ozone protects life on Earth and how human activity disrupts its natural equilibrium. Through guided notes, structured practice activities, and a complete answer key, students explore UV radiation, ozone-depleting substances, and the international response through the Montreal Protocol. Designed for both Standard Level (SL) and Higher Level (HL) students, it provides a clear pathway through the most important concepts and terminology in Topic 6.4.

Whether used in the classroom, for homework, revision, independent study, or exam preparation, this workbook encourages active learning and helps students develop the analytical skills required for success in IB ESS.

What You’ll Learn

Topic 6.4: Stratospheric Ozone

Students explore:

• How the Sun emits radiation across different wavelengths
• Why shorter wavelengths pose greater danger to life
• How stratospheric ozone absorbs harmful UV radiation
• The health and ecological impacts of UV exposure
• The natural equilibrium of ozone formation and destruction
• How ozone-depleting substances disrupt this balance
• The Montreal Protocol and its global impact
• Signs of ozone layer recovery
• The difference between ozone depletion and global warming
• Real-world data on ozone concentration over time

What’s Included

✔ Coverage of all Topic 6.4 syllabus statements for SL and HL

✔ Content aligned to the updated IB ESS syllabus (first examinations 2026)

✔ Key vocabulary tables with space for definitions

✔ Guided notes that mirror IB assessment language and command terms

✔ Structured practice activities including ozone data analysis

✔ Exam-style short-answer and extended-response questions

✔ Critical-thinking opportunities aligned with Assessment Objectives AO1 and AO2

✔ Complete answer key included

Why Students Love This Workbook

Unlike traditional revision notes, this workbook helps students see how ozone protects life and how policy can restore balance. By exploring UV radiation and the Montreal Protocol with real examples, learners develop a clear understanding of atmospheric chemistry and environmental law. Students build confidence while developing the skills to analyze, explain, and evaluate ozone depletion and recovery.

Students can use the workbook throughout the course or as a focused revision tool before assessments.

Ideal For

• IB Environmental Systems and Societies students
• Standard Level (SL) students
• Higher Level (HL) students
• IB teachers seeking ready-to-use classroom resources
• Homeschool learners following the IB curriculum
• Students preparing for quizzes, tests, and final examinations

Product Details

Format: Digital PDF Download

Course: IB Environmental Systems and Societies (ESS)

Subtopic: Topic 6.4 – Stratospheric Ozone

Level: SL and HL

Answer Key: Included

Author: Bradley M Kremer

Publisher: IB ESSentials

Syllabus Alignment: First Examinations 2026

Important Information

This resource is independently produced and is not endorsed by or affiliated with the International Baccalaureate Organization (IBO).

Your purchase includes a license for individual educational use unless otherwise specified.

Explore additional IB ESS workbooks, revision resources, study guides, and teaching materials at ibessentials.org. (Coming soon!)