Chemistry
Learn Chemistry for Free
Chemistry is the study of matter—what it is made of, how it behaves and how substances interact to form new materials. It connects to everyday life through energy, medicine, materials, food science and environmental processes.
This page introduces the main areas of chemistry and links to clear, accessible learning resources including videos, articles and practice materials.
Start Learning Chemistry
Introduction to Chemistry
An overview of what chemistry studies, key themes such as atoms, reactions and energy, and why the subject matters.
States of Matter
Covers solids, liquids and gases, particle behaviour and how state changes occur.
Atoms and Elements
Introduces atoms, elements, atomic structure, the periodic table and how elements are organised.
Compounds and Mixtures
Explains chemical compounds, molecules, mixtures, and how substances combine and separate.
Core Chemistry Topics
Chemical Reactions
Covers reaction types, reactants and products, conservation of mass and simple reaction equations.
Acids, Bases and pH
Explains acids, bases, indicators, neutralisation and how the pH scale works.
The Periodic Table
Explores groups, periods, trends (e.g., reactivity), metals, non-metals and common element families.
Bonding
Introduces ionic, covalent and metallic bonding and how each type forms.
Intermediate Chemistry
Energy Changes
Explains exothermic and endothermic reactions, activation energy and everyday examples.
Rates of Reaction
Covers how temperature, concentration, surface area and catalysts affect reaction speed.
Electrolysis (Basics)
Introduces how electricity can break compounds into elements and common applications.
Metals and Reactivity
Covers metal properties, reactivity series and displacement reactions.
Advanced Chemistry
Organic Chemistry (Intro)
Explains hydrocarbons, simple functional groups and common organic molecules.
→ Link to Organic Chemistry (Intro) page
Quantitative Chemistry
Covers moles, relative formula mass and basic calculations involving chemical quantities.
Environmental Chemistry
Introduces pollution, climate-related chemistry, water treatment and sustainability topics.
Chemistry Resources
Chemistry Videos
Curated free videos explaining key concepts, reactions and real-world applications.
Chemistry Practice & Worksheets
Downloadable worksheets and practice tasks covering calculations, reactions and core ideas.
Optional Next Steps
Once learners are confident with the fundamentals, they can explore:
- Applied Chemistry – Materials science, pharmaceuticals, energy production.
- Laboratory Skills – Safe practices, equipment use and experimental methods.
- Case Studies – Real examples showing chemistry in everyday life and industry.
