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The big picture

The big picture

Concept map showing how matter links to atoms, periodic table, bonding, structures, properties, rate and energy changes

Chemistry is the study of matter and how it changes. Matter has mass and takes up space, and ordinary matter is made from atoms.

Key ideas Lesson

  1. GCSE
  2. /Combined Science
  3. /Key ideas

Step-by-step lessons covering AQA GCSE Combined Science Key ideas for Foundation and Higher tier. Each lesson breaks down Key ideas, then works through exam-style questions.

Lessons