Included in every Skoolmaths plan
Questions are marked automatically as pupils answer: a sound and a character reaction show straight away whether they are right, and correct answers earn points, with a results screen at the end.
A 29-slide interactive lesson that runs in any web browser on a computer, tablet or interactive whiteboard. Members open it online from their year group page. Buying it on its own gives you a .zip download to unzip and open.
Free preview: try the first slides before you decide. Included in every Skoolmaths plan.
The pH scale only really makes sense once students can connect a number to a colour to a real substance. This universal indicators and pH scale lesson, built as a 23-slide interactive lesson, gives KS3 students exactly that practice.
Students practise reading universal indicators and the pH scale, classifying substances as acidic, neutral or alkaline with instant self-marking feedback.
This resource covers the Key Stage 3 curriculum area of acids, alkalis and pH, and is one of three lessons in a connected chemistry unit alongside Acids and Alkali fundamentals and Neutralisation.
Gardeners test soil pH, swimming pools are pH-balanced, and stomach acid relies on the same scale students learn here. Grounding universal indicators and the pH scale in these everyday examples helps the number line mean something beyond a chemistry worksheet.
| Year Groups | Year 7–9 |
|---|---|
| Resource Type | 📋 Lesson Pack |
| Format | Print & Digital |
| Curriculum | England & Wales — KS3 (Years 7–9) |
| Added | 15 September 2022 |
Membership unlocks this resource plus every lesson, worksheet and activity — all subjects, all year groups, all in one place.
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