Anaerobic Respiration: Watching Yeast 'Breathe' Without Air

Anaerobic Respiration: Watching Yeast 'Breathe' Without Air

Anaerobic Respiration: Watching Yeast 'Breathe' Without AirSarah Kennett
Published on: 16/09/2026

Watch a balloon inflate itself as yeast respires without oxygen. A required practical for comparing anaerobic and aerobic respiration.

Waves: Making the Invisible Visible in a Bowl of Water

Waves: Making the Invisible Visible in a Bowl of Water

Waves: Making the Invisible Visible in a Bowl of WaterSarah Kennett
Published on: 09/09/2026

Watch invisible waves become visible in a bowl of water. A hands-on way to measure frequency, wavelength and wave speed for the exam.

Density: Why the Stone Sinks and the Apple Doesn't

Density: Why the Stone Sinks and the Apple Doesn't

Density: Why the Stone Sinks and the Apple Doesn'tSarah Kennett
Published on: 02/09/2026

Drop a stone and an apple in water: one sinks, one floats. A required practical for measuring mass, volume and density of regular solids, irregular solids and liquids using kitchen scales and a measuring jug.

Why belonging matters as much as revision technique

Why belonging matters as much as revision technique

Why belonging matters as much as revision techniqueSarah Kennett
Published on: 31/08/2026

New government research links how much pupils feel they belong at school to their GCSE results, with a gap of a full grade between those who do and those who don't. SEND, disadvantaged, and female students report the lowest ratings.

school belongingneurodivergent learnersGCSE resultsSEND students