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Grade 7 Science, Generation of Electricity, MCQ

Generation of Electricity

Key Concepts:

  1. Importance of Electricity: Understand how essential electricity is for daily life.
  2. Sources of Electricity: Learn about chemical sources (dry cells) and mechanical sources (dynamos).
  3. Dry Cell Functioning: Understand how chemical reactions in a dry cell produce electricity.
  4. Simple Electrical Cells: Build simple cells using household materials and observe how they generate electricity.
  5. Series and Parallel Connections: Learn how connecting cells in series and parallel affects voltage and current.
  6. Terminals and Current Flow: Identify cell terminals and understand the direction of current flow.
  7. Solar Panels: Explore how solar panels convert sunlight into electricity.
  8. Dynamos: Learn how dynamos generate electricity through mechanical motion.

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