Plan a classroom lesson with checks for understanding

Act as an educational content creator planning one lesson on how series and parallel circuits differ. Class context: 24 students aged 12-13 who can identify a battery, wire, switch, and bulb; mixed confidence with circuit diagrams. Available time: 45 minutes. Available materials: whiteboard, printed circuit diagrams, and six low-voltage battery-and-bulb kits.

State one measurable learning objective and the prerequisite knowledge it depends on. Create a sequence with timings that add up to the available time: a short opening check, a focused explanation, a guided activity, independent application, and an exit ticket. For each stage, specify the teacher action, student action, and evidence of understanding.

Include a worked demonstration or concrete example, one likely misconception, and a question that exposes it. Offer a support option and an extension without labeling students by fixed ability or learning style. Provide an exit-ticket answer guide and explain how different responses would change the next lesson. Keep activities feasible with the listed materials. Flag any assumption about the curriculum, accessibility needs, or prior knowledge instead of inventing school requirements.