12th Grade Combination Of Cells, Kirchoffs Law Lesson Plan Example (Physics)

Topic: Combination of cells, Kirchoffs law

Objectives & Outcomes

• Students will understand how to apply the law of conservation of energy and the law of conservation of charge to solve circuit problems involving cells connected in series and in parallel.

Materials:

• Circuit diagrams
• Bolted electrical cells
• Multimeter
• Wires and connectors
• Pen and paper for each student

Warm-up

• Ask students to draw a basic circuit diagram with a battery and a lamp. Ask them to explain how the circuit works and what happens to the energy in the circuit.

Direct Instruction

• Explain that a circuit is a complete path that allows electric current to flow. - Point out that the battery is the source of the electric current, and the lamp is the device that uses the current.
• Explain that there are two main types of circuit: series and parallel. - In a series circuit, all the cells are connected end to end, so the current has only one path to flow through. - In a parallel circuit, the cells are connected side by side, so the current can flow through multiple paths.
• Explain that Kirchoffs law states that the current entering a junction must equal the current leaving the junction, and the total voltage in a circuit must equal the sum of the individual voltages. - Use the handout with examples of series and parallel circuits to illustrate the concepts.
• Ask students to work in pairs to draw a series or parallel circuit using the markers, and to calculate the total current and voltage for the circuit using the handouts.

Guided Practice

• Pass out the worksheets with problems asking students to calculate the total current and voltage in a series or parallel circuit. - Have students work in pairs to solve the problems and check their answers against the provided answer key.
• Review the answers as a class, and explain any questions or confusion.

Independent Practice

• Give students a series or parallel circuit to analyze and calculate the total current and voltage. - Have students complete the analysis and calculations and create a diagram showing the circuit and calculations.

Closure

• Review the main points of the lesson and have students share their circuit diagrams and calculations. Ask for any questions or confusion and encourage students to share their work.

Assessment:

• Scoring will be based on completion of the circuit diagrams and calculations, accuracy and clarity, and ability to apply the concepts learned in the lesson to a real-world situation.