Activity

Hidden Alarm

Curated and Reviewed by Lesson Planet
This Hidden Alarm activity also includes:

It's time to wake up! Young engineers build an electric circuit that will activate an alarm. The use of switches in the circuit is a must—because you don't want the alarm to keep beeping forever!

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Instructional Ideas
  • Have pupils take apart an alarm clock to investigate the mechanism
Classroom Considerations
  • Scholars should have basic familiarity with electricity
  • See resource for complete list of required materials for the activity
Pros
  • Provides discussion questions, one set for younger children and another for older youth
  • Lists some troubleshooting tips for the activity
Cons
  • None