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A fast, self-marking GCSE Chemistry quick-burst on Chemical Changes: reactivity order, metals with acids and water, oxidation and reduction, pH, salts and electrolysis. Print or play.
- Access
- Locked — access required
- Assessment
- Not included
- Format
- Activity Book
- Subject
- Chemistry
- Level
- Key stage 4
- Typical time
- 10 minutes
- Length
- 5 pages
Inside GCSE Chemistry: Chemical Changes — Quick Burst Practice
order the reactivity series, name the products of metal + acid and metal + water, snap oxidation vs reduction, place solutions on the pH scale and name the salt, and call the anode and cathode. About 10 minutes.
Learning objectives
- reactivity series order — most reactive (potassium) to least reactive (gold), and reading positions in the list;
- reactions of metals — metal + acid → salt + hydrogen and reactive metal + water → metal hydroxide + hydrogen;
- oxidation and reduction — gain of oxygen versus loss of oxygen, applied to burning magnesium;
- the pH scale, neutralisation salts and electrolysis — acidic/neutral/alkaline, naming the salt from the acid, and the anode and cathode.
Activities in this book
Round 1 — Reactivity Order
the reactivity series runs from most reactive (potassium) at the top to least reactive (gold) at the bottom. Learn the order: potassium, sodium, calcium, magnesium, zinc, iron, copper, gold.
Round 2 — Metals with Acids & Water
metal + acid makes a salt + hydrogen; a reactive metal + water makes a metal hydroxide + hydrogen. Both reactions release hydrogen gas.
Round 3 — Oxidation & Reduction
in terms of oxygen: oxidation is the gain of oxygen and reduction is the loss of oxygen. When magnesium burns it gains oxygen, so it is oxidised.
Round 4 — pH & Salts
the pH scale runs 0 to 14: below 7 is acidic, 7 is neutral, above 7 is alkaline. Neutralisation makes a salt and water, and the acid names the salt: hydrochloric acid makes chlorides.
Round 5 — Electrolysis
electrolysis splits ionic compounds when molten or dissolved. Positive ions go to the cathode (negative electrode); negative ions go to the anode (positive electrode).
Suggestions for teaching
- Keep it timed. Set a short clock and run all five rounds in one go, then repeat to beat the previous score.
- Say the keyword aloud. Insist on the exact term — oxidised, reduced, anode, cathode — not a vague description.
- Anchor to the reactivity series. Reuse the same ordered list for displacement, reactions and extraction choices.
What you’ll learn
Use this Activity Book to practise and consolidate Chemistry knowledge and skills at Key stage 4. Return to it as often as your access allows to build confidence and fluency.
Resource preview
A fast, self-marking GCSE Chemistry quick-burst on Chemical Changes: reactivity order, metals with acids and water, oxidation and reduction, pH, salts and electrolysis. Print or play.
This preview uses the public resource summary only. The activity and any files remain protected until access is granted.
