The Acidity of Common Valentine's Gifts: A pH Analysis

Product Description

This Valentine’s chemistry investigation introduces pH, acids, alkalis, and indicators by testing the acidity of common Valentine’s foods.

Learners measure pH using indicators or probes, control variables, compare results, and explain findings using hydrogen ion concentration. The investigation includes school methods and home-friendly alternatives using red cabbage indicator, making it suitable for Key Stage 3 chemistry, GCSE Chemistry, and homeschool science.

Curriculum focus

Key Stage 3

• Acids and alkalis: pH scale, indicators, neutralisation

Key Stage 4 (GCSE Chemistry / Combined Science)

• Chemical analysis: pH, acids, bases and salts
• Concentration and hydrogen ions

US curriculum links

• Middle School Physical Science: acids, bases, and indicators
• High School Chemistry: pH scale, acidity, and chemical properties of solutions

Save 20% off the Bundle available here

Read the blog post with teaching ideas and curriculum rationale here 

You will get the following files

• PDF link to Editable Canva templates, pupil recording sheets, variables support, results templates
• PDF comprehensive teacher guide.