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.) 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 [...]

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 [...]