C1 - Series and Parallel Circuits I/Light Dimmer (45 min)
Students discover how circuits and electricity can be used and controlled to create different functions. They explore terms used in electric circuits and how measurements and mathematics can be used to calculate the action of different circuits. They're introduced to Ohm's [Oh-m's] law and Kirchoff's [Kerchof's] law to calculate voltage, resistance, and current flow and construct a light dimmer to demonstrate Kirchoff's Law. Students comprehend terms such as: series, parallel, series-parallel, open, closed, and short and explore both a drawing and a schematic diagram of the experiment.
Lesson 2
C2 - Series and Parallel Circuits 2/Light Sensor (45 min)
Students discover how circuits and electricity can be used and controlled to create different functions. They explore terms used in electric circuits and how measurements and mathematics can be used to calculate the action of different circuits. They're introduced to Ohm's [Oh-m's] law and Kirchoff's [Kerchof's] law to calculate voltage, resistance, and current flow. Students comprehend terms such as: series, parallel, series-parallel, open, closed, and short and explore both a drawing and a schematic diagram of the experiment. Students construct and demonstrate a light sensor.
Lesson 3
C3 - Series and Parallel Circuits 3/Polarity Detector (45 min)
Students discover how circuits and electricity can be used and controlled to create different functions. They explore terms used in electric circuits and how measurements and mathematics can be used to calculate the action of different circuits. They're introduced to Ohm's [Oh-m's] law and Kirchoff's [Kerchof's] law to calculate voltage, resistance, and current flow. Students comprehend terms such as: series, parallel, series-parallel, open, closed, and short and explore both a drawing and a schematic diagram of the experiment. Students construct and operate a polarity detector.
Lesson 4
C4 - Series and Parallel Circuits 4/Switch Dimmer (45 min)
Students discover how circuits and electricity can be used and controlled to create different functions. They explore terms used in electric circuits and how measurements and mathematics can be used to calculate the action of different circuits. They're introduced to Ohm's [Oh-m's] law and Kirchoff's [Kerchof's] law to calculate voltage, resistance, and current flow. Students comprehend terms such as: series, parallel, series-parallel, open, closed, and short and explore both a drawing and a schematic diagram of the experiment. Students construct and operate a switch dimmer.
Lesson 5
C5 - Series and Parallel Circuits 5/Buzzer Volume (45 min)
Students discover how circuits and electricity can be used and controlled to create different functions. They explore terms used in electric circuits and how measurements and mathematics can be used to calculate the action of different circuits. They're introduced to Ohm's [Oh-m's] law and Kirchoff's [Kerchof's] law to calculate voltage, resistance, and current flow. Students comprehend terms such as: series, parallel, series-parallel, open, closed, and short and explore both a drawing and a schematic diagram of the experiment. Students construct a circuit that demonstrates how the volume of a buzzer in the circuit is affected by different voltage.
Lesson 6
D1 - Solenoid Switch (45 min)
Students demonstrate electromagnetism and explore terminology associated with magnets and electromagnets. They're introduced to Lenz's law and Faraday's law and comprehend terms such as: magnetic flux, lines of force, magnetic fields, poles, ferromagnetic retentivity, hysteresis, induction, and saturation. Students include both pictorial and schematic diagrams of the experiments, and construct and demonstrate operation of a solenoid switch.
Lesson 7
D2 - Galvanometer (45 min)
Students duplicate Hans Christian Oerstead's original experiment that led to the development of the science of electromagnetism. They're introduced to Lenz's law and Faraday's law and comprehend terms such as: magnetic flux, lines of force, magnetic fields, poles, ferromagnetic retentivity, hysteresis, induction, and saturation. Students include both pictorial and schematic diagrams of the experiments, and construct and demonstrate operation of a galvanometer.
Lesson 8
D3 - Electric Motor (45 min)
Students demonstrate electromagnetism and explore terminology associated with magnets and electromagnets. They're introduced to Lenz's law and Faraday's law and comprehend terms such as: magnetic flux, lines of force, magnetic fields, poles, ferromagnetic retentivity, hysteresis, induction, and saturation. Students include both pictorial and schematic diagrams of the experiments and construct and demonstrate a simple electric motor.
Lesson 9
D4 - Flashing Lights (45 min)
This activity is an introduction to transistors and electronics. Students explore terminology associated with transistors and are introduced to active circuits. They comprehend terms such as: semi conductor transistor, emitter, base, collector, bias, correct basing, alternating current, and oscillation. Students include both pictorial and schematic diagrams of the experiments, and construct and demonstrate a circuit in oscillation that will keep flashing as long as the battery is connected and the components keep working.
Lesson 10
D5 - Transistor LED Driver (45 min)
This activity is an introduction to transistors and electronics. Students explore terminology associated with transistors and are introduced to active circuits. They comprehend terms such as: semi conductor transistor, emitter, base, collector, bias, correct basing, alternating current, and oscillation. Students include both pictorial and schematic diagrams of the experiments, and construct and demonstrate a circuit that is in essence a switch.
