How Soap Defeats Grease: The Chemistry of Surfactants and Micelles
Why does water slide off a greasy plate instead of carrying the grease away? Open Full Article...
Chemistry
Explore Chemistry | Lenara Learning
Science uses evidence, observation and testing to explain the natural world. Within Science, this Chemistry category focuses on atoms, elements, compounds, reactions, materials and the safe investigation of chemical change. The online lessons are written for curious children and teenagers, with clear explanations that introduce important ideas without assuming specialist knowledge.
Learners can build subject vocabulary, examine useful examples and connect chemistry to wider questions across school subjects and everyday life. Each lesson aims to explain not only what happens, but how we know and why the topic matters.
The category encourages learners to ask questions, compare evidence and recognise where an answer depends on context, interpretation or further investigation. Difficult concepts are broken into manageable steps so that learners can develop understanding rather than simply memorising facts.
Whether the subject is being studied as part of home education or home schooling, used for revision or explored through personal interest, these lessons support independent thinking and confident discussion. New material can be added as the collection develops.
Browse the lessons below to start learning.
Why Cooked Food Tastes Better: The Chemistry Behind Flavour
Why can toast seem more flavourful than fresh bread? The answer depends on separating taste from smell and flavour. Open Full Article...
Why Metals Rust: The Chemistry of Corrosion and How We Prevent It
A rusty bicycle chain, garden gate or ship’s rail shows a metal reacting with its surroundings. Open Full Article...
How Fireworks Create Colour: The Chemistry of Light and Explosions
Fireworks combine controlled chemistry, physics and engineering to create displays in the sky. Open Full Article...
Why Onions Make You Cry
An onion is built from living plant cells whose contents are carefully organised. In an intact onion, this organisation keeps certain substances apart. Open Full Article...
