🧠 Part 1: Do It Now - Retrieval Practice

Sentence starter: An acid is ________________________________

Example: ________________________________

Sentence starter: An alkali is ________________________________

Example: ________________________________

🔬 Part 2: Understanding Neutralisation

Acid + _____________ → _____________ + _____________

🧪 Part 3: Practical Investigation - Observations

Before mixing:

The acid pH was: _______

The alkali pH was: _______

Universal indicator colour in acid: _____________

Universal indicator colour in alkali: _____________

During mixing:

Sentence starter: When I mixed the acid and alkali, I saw ________________________________

After mixing:

The final pH was: _______

The final indicator colour was: _____________

Sentence starter: This shows a chemical reaction because ________________________________

✍️ Part 4: Summary & Real-Life Applications

Sentence starter: Neutralisation is when ________________________________

Examples to consider: indigestion tablets, soil treatment, cleaning spills

🌟 Extension Challenge

Household acids: lemon juice, vinegar

Household alkalis: baking soda, washing soda