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In this technology activity, learners build an "alarming" doormat to keep siblings out of their rooms. Use this activity to teach learners about circuits, switches, and sensors.
- Under 5 minutes
- 45 to 60 minutes
- $5 - $10 per group of students
- Ages 8 - 14
- Activity, Lesson/Lesson Plan
- English
Quick Guide
Materials List (per group of students)
- small electric buzzer (2V)
- insulated wire, metal paper clips or aluminum foil
- 9V alkaline battery with snap connector
- tape
- switch materials (e.g., large plastic drinking straws, kitchen sponges, or other compressible, nonconductive materials)
- scissors
- mat (e.g. doormat, bath mat, or large towel)
- wire cutter/stripper (optional)
Subjects
-
Engineering and Technology
-
Engineering
- Electrical Engineering
-
Technology
- Information and Communication
-
Engineering
-
Physical Sciences
-
Electricity and Magnetism
- Electric Charges and Currents
- Electric Circuits
- Motion and Forces
-
Electricity and Magnetism
-
The Nature of Science
-
Science and Society
- Risks and Benefits
-
The Scientific Process
- Conducting Investigations
-
Science and Society
-
The Nature of Technology
-
Technology and Society
- Impacts of Technology
-
The Design Process
- Research and Development
- Invention and Innovation
- Problem Solving
- Troubleshooting and Maintenance
-
Technology and Society
Informal Categories
- Electronics
Audience
To use this activity, learners need to:
- see
- hear
- be mobile
- touch
Learning styles supported:
- Involves teamwork and communication skills
- Involves hands-on or lab activities
Culture, ethnicity, and gender
-
Girls
- Explicity developed for this group
- Acknowledges this group's contributions to STEM
- Highlights STEM opportunities for this group
- Identifies role models or mentors in STEM fields from this group
- Uses inclusive images of people from this group
Other
Components that are part of this resource:
Includes alignment to state and/or national standards:
This resource is part of:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, Twin Cities Public Television, Inc., 2010
Funding Sources:
- National Science Foundation, 0813519
- ExxonMobil