Development of the Periodic Table

Development of the Periodic Table
Bring the history of the Periodic Table to life with this engaging and fully structured lesson designed for KS3/KS4 Chemistry students.

This resource guides learners through the key scientific developments that led to the modern Periodic Table, encouraging them to think critically about how scientific ideas evolve over time.

What’s included:

• Clear lesson objectives linked to curriculum goals

• Worksheet and print out images for a timeline

• Starter activity to assess prior knowledge

• Structured explanation of key scientists:

  • John Dalton
  • Döbereiner and triads
  • Newlands’ Law of Octaves
  • Mendeleev’s predictions and gaps

• Discussion and think–pair–share activities

• Comparison tasks between early and modern periodic tables

• Engaging questions to develop analytical thinking

• Timeline task (poster/comic/written format)

• Application questions on groups, trends, and predictions

• Review/plenary task to consolidate learning