91¶¶Ňő

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91¶¶Ňő

Last updated

13 August 2026

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png, 174.13 KB
png, 346.39 KB
png, 346.39 KB
docx, 302.88 KB
docx, 302.88 KB
docx, 125.86 KB
docx, 125.86 KB
pptx, 1.97 MB
pptx, 1.97 MB
Lesson Summary

In this lesson, students will learn to define what an indicator is and how it signals chemical changes, compare binary indicators like Litmus with wide‑range Universal Indicator, and investigate natural indicators using red cabbage extract. This practical session encourages curiosity and scientific observation while linking everyday materials to chemical reactions.

What’s Included
  • KS3‑aligned learning objectives
  • Explanation of how indicators work and what they reveal about pH
  • Comparison of Litmus and Universal Indicator colour ranges
  • Step‑by‑step investigation using red cabbage extract
  • Experiment: Extracting Natural Indicators Worksheet
    • Label colour changes and record pH responses
    • Adapted version included for learners needing extra support
Why Teachers Will Like This Resource
  • Engaging, hands‑on practical lesson that builds scientific confidence
  • Encourages enquiry skills and safe experimentation
  • Connects classroom chemistry to real‑world materials
  • Includes light, purposeful AI‑enhanced imaging to support student understanding of colour changes and natural indicator extraction
  • Ready to teach, visually clear and easy to differentiate

Get this resource as part of a bundle and save up to 53%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

Acids & Alkalis – Complete KS3 Chemistry Bundle including Knowledge Organiser

**8 Lessons • Worksheets • Practicals • Knowledge Organiser** ## **Bundle Summary** A complete KS3 unit covering **pH**, **indicators**, **neutralisation**, **salt formation**, **gas tests**, **acid–metal reactions**, **acid–carbonate reactions**, and **fair‑test planning**. Includes eight structured lessons, practical investigations, differentiated worksheets, and a high‑clarity Knowledge Organiser. --- ## **What’s Included** - **Lesson 1:** Hazard symbols, lab safety, everyday acids/alkalis - **Lesson 2:** Universal Indicator, pH scale, classifying substances - **Lesson 3:** Litmus vs Universal Indicator, red cabbage practical - **Lesson 4:** Neutralisation, word equations, real‑world uses - **Lesson 5:** Variables, fair testing, predicting salts - **Lesson 6:** Acid + metal reactions, hydrogen gas test - **Lesson 7:** Acid + carbonate reactions, CO₂ test, acid rain - **Lesson 8:** End‑of‑topic review and summative assessment - **Knowledge Organiser:** Key vocabulary, core equations, salt‑naming rules, indicator comparison, retrieval questions --- ## **Why Teachers Will Like This Resource** - Fully sequenced and ready to teach - Strong mix of theory, practical work, and real‑world science - Worksheets for every lesson, including differentiated versions - Knowledge Organiser supports revision and retrieval - Ideal for KS3 progression toward GCSE chemistry

ÂŁ8.00

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