Class Activity: Design a Thermostat

(From Teachengineering.org)
Grade Level: 9 (9-11) Group Size: 2
Time Required: 120 minutes
Expendable Cost Per Group: US$13
(The breadboards, wires, wire strippers, resistors and multimeters can be re-used.)Â
Summary: Students investigate circuits and their components by building a basic thermostat. They learn why key parts are necessary for the circuit to function, and alter the circuit to optimize the [...]

Class Activity: The Beat Goes On

(from www.teachengineering.org)
Grade Level: 4 (3-5) Group Size: 3
Time Required: 45 minutes
Expendable Cost Per Group: US$ .50
Summary: In this activity, students learn about their heart rate and different ways it can be measured. Students construct a simple measurement device using clay and a toothpick, and then use this device to measure their heart rate under different [...]