Key Points

Changes Around Us: Physical and Chemical

Important Points

  • Changes Around Us: Physical and Chemical builds on ideas you already learnt in earlier classes.
  • Focus first on definitions, then on examples, then on practice.
  • Diagrams / flow-charts make revision much faster.

Remember This

  • One-line definition of Changes Around Us: Physical and Chemical.
  • The trickiest example — the one you got wrong the first time.

Exam Tips

  • Read the question twice before choosing an option.
  • In MCQs, eliminate two wrong options first.
  • Write the key term in your answer even in short questions.

Definitions

Changes Around Us: Physical and Chemical
The main concept covered in this chapter of Science.
Concept map
A visual summary linking the small ideas that make up a bigger idea.