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  1. Circuit Construction Kit: DC‬ - PhET Interactive Simulations

  2. Circuit Construction Kit: DC - Virtual Lab‬

  3. How Circuits Work - HowStuffWorks

  4. 18 Science Lessons to Teach Circuits | Science Buddies Blog

  5. Circuit Construction Kit: DC - PhET Interactive Simulations

  6. The Physics Classroom Tutorial: Electric Circuits

  7. Introduction to circuits - Electricity - KS3 Physics - BBC

  8. Circuit Basics - HowStuffWorks

  9. Circuits | Introduction to Electrical Engineering and Computer Science

  10. Electrical circuits - BBC Bitesize

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