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SHS 2 Chemistry 1st Semester Week 3 Lesson Plan

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Weekly Learning Plan
Subject	Chemistry	Week	3
Duration	60 minutes	Form	SHS 2
Strand	PHYSICAL CHEMISTRY	Sub-Strand	MATTER AND ITS PROPERTIES
Learning Outcome(s)	2.1.1.LO.1 - Describe the different energy changes that occur as a result of reorganization of atoms 2.1.1.LO.2 - Use the concept of chemical kinetics to explain that chemical reactions proceed at different rates depending on their conditions and design experiment to investigate these conditions
Content Standard	2.1.1.CS.1
Learning Indicator(s)	2.1.1.LI.3 - Explain bond energy and apply it to determine endothermic and exothermic reactions. Talk for Learning Approach: Using think-pair-share approach, distinguish between bond dissociation energy and bond energy Activity-Based Learning: • Calculate the enthalpy change of reaction from bond energy values. • Discuss bond energy as a measure of energy content hence, bond strength. • Discuss that the amount of energy released per unit mass is a factor in choosing fuel used at home, transport and industry
Lesson Focus	Explain bond energy and apply it to determine endothermic and exothermic reactions.
Previous Knowledge	Learners recall related ideas, vocabulary or experiences from earlier lessons and everyday contexts.
Lesson Objective(s)	Describe the key idea in: Explain bond energy and apply it to determine endothermic and exothermic reactions. Apply the idea through guided and independent learning activities. Demonstrate understanding through oral responses, written work or practical performance.
Essential Question(s)	What chemical model, relationship, evidence or calculation is central to Explain bond energy and apply it to determine endothermic and exothermic reactions. Talk for Learning Approach: Using think-pair-share approach, distinguish between bond dissociation energy and bond energy Activity-Based Learning: • Calculate the enthalpy change of reaction from bond energy values. • Discuss bond energy as a measure of energy content hence, bond strength. • Discuss that the amount of energy released per unit mass is a factor in choosing fuel used at home, transport and industry? How can laboratory observations, particle models, equations, graphs or quantitative data be used to explain the chemistry? How can the chemical principle from this lesson be applied to predict the behaviour of a new substance or reaction?
Pedagogical Strategies	Think-Pair-Share Collaborative Learning Problem-Solving Experimental/Practical Learning Digital/Simulation-Based Learning Model-Based Learning Worked-Example Fading
Teaching & Learning Resources	Chemistry textbook/reference materials Whiteboard/markers Learners' notebooks Periodic table Test tubes/rack and droppers where available Safe reagent samples or teacher-prepared demonstration materials Molecular/bonding models or improvised model materials pH indicators/meters or charts where available Titration/solution preparation apparatus where appropriate
Key Notes on Differentiation
Content	Use particle diagrams, colour-coded equations, formula prompts, worked examples and simplified data tables for learners who need support. Extend advanced learners with multi-step calculations, unfamiliar data, mechanism/property comparisons or more demanding analytical interpretation.
Process	Use mixed-ability grouping with rotating roles such as apparatus manager, recorder, calculator, safety monitor and presenter during practical/problem-solving work. Where apparatus or chemicals are unavailable, use curriculum-aligned simulations, videos, virtual laboratories, data sets and teacher demonstrations without changing the learning objective.
Product	Allow evidence such as balanced equations, calculations, graphs, molecular/particle models, practical reports, chromatogram interpretations, comparison tables or oral explanations. Assess chemical accuracy, safe procedure, correct units/notation, quantitative reasoning, evidence interpretation and ability to justify conclusions.
Success Criteria	Learners use correct subject vocabulary. Learners complete the main task with reasonable accuracy. Learners explain or demonstrate how the concept applies in a new situation.
Homework	Answer structured questions and identify one everyday application of the concept.

Lesson Activities
Stage	Teacher Activity	Learner Activity	Assessment / DoK
Starter10 minutes	Present a diagram, specimen, data set or everyday situation connected to bond energy and apply it to determine endothermic and exothermic reactions and ask learners what they observe.	Share prior knowledge, listen to peers and record the lesson question in their notebooks.	Not provided.
Activity 115 minutes	Use a labelled diagram, model, experiment, data table or safe demonstration to explain bond energy and apply it to determine endothermic and exothermic reactions.	Observe carefully, record key terms and answer oral questions.	Ask learners to identify the key feature, variable, process or relationship.
Activity 220 minutes	Guide groups to observe, classify, measure, compare or explain evidence related to bond energy and apply it to determine endothermic and exothermic reactions.	Work in groups to complete the observation, classification, measurement or explanation task.	Review group responses for accurate science vocabulary and evidence.
Activity 310 minutes	Give a new case, data set or observation and ask learners to predict or explain the outcome.	Apply the concept to the new case and support the answer with evidence.	Use an exit task that asks for a prediction, explanation or calculation.

Lesson Closure

Summarise bond energy and apply it to determine endothermic and exothermic reactions and correct one common misconception using learner examples. State one thing learned and complete the exit response.

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