Hidden Alarm

This Hidden Alarm activity & project also includes:

It's time! The fourth lesson in a five-part series has teams of scholars build a circuit for an alarm. A switch lets them turn the alarm on and off and allows them to hide the alarm—just as long as they don't hide it in the classroom!

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Additional Tags
Instructional Ideas
  • Have the class build cases to better hide the alarms
Classroom Considerations
  • Learners should have some familiarity with electric circuits
  • Activity requires a variety of materials, including batteries
  • Provides detailed instructions with diagrams
  • Describes engineering concepts
  • None