This is a simple, step by step practical investigating the effect of temperature, concentration and pH on the catalase/hydrogen peroxide reaction.
The method is simple and reliable and requires only 1 working water bath.
This is one of the required practicals on the new AQA scheme of work.
It is based, with thanks, on other resources found on TES Resources.
A simple worksheet allowing lower ability students to label a river with the species expected at various parts.
Also suitable for a starter or review.
Images taken from other resources available here and re-edited.
Worksheet aimed at levels 4-5 with extension tasks up to level 6. Based on practical reacting hydrochloric acid with magnesium, calcium and zinc. Students represent chemical reactions using word and symbol equations.