Download the Lessonotes Mobile Liberia app for faster lesson access on Android and iPhone.
Subject: General Science
Semester: 1
Period: 3
Week: 14
School Name:
Teacher’s Name:
Subject: General Science
Grade Level: Grade 3
Date: Week 14
Lesson Duration: 45 minutes
Week & Period: Week 14, Period 3
Topic: Energy
Sub-topic: Forms and Sources of Energy
Learning Objectives
By the end of the lesson, students should be able to:
Learners will state forms of energy (kinetic, potential, light, heat, sound, chemical, electrical).
Learners will identify sources of energy (Sun, fuel, batteries, food, etc.).
Previous Knowledge
Students already know:
Objects can move and do work. Light, heat, and sound are part of daily experiences.
Instructional Materials
Charts showing forms of energy, images of energy sources, small objects for demonstrations, worksheets.
Lesson Development – ABC Model
A – Anticipation (Warm-up / Starter)
Time: 5–10 minutes
Ask learners what makes objects move, lights turn on, or food give us energy. Discuss their answers briefly.
B – Building Knowledge (Main Lesson Body)
Time: 25–30 minutes
Learners’ Activities (Expanded):
- Learners identify forms of energy from examples provided:
- Sunlight → light energy
- Moving car → kinetic energy
- Water stored in a dam → potential energy
- Burning wood → chemical and heat energy
- Sound from a bell → sound energy
- Students match sources of energy to their corresponding forms:
- Sun → light and heat energy
- Batteries → electrical energy
- Food → chemical energy
- Fuel → chemical and heat energy
- Learners discuss daily uses of energy at home and school, e.g., cooking with gas or electricity, riding bicycles, using computers, playing instruments.
- Optional activity: learners create an energy chart with columns for “Form of Energy,” “Source,” and “Example from Daily Life.”
- Hands-on activity: learners observe a battery-powered toy or flashlight to see electrical energy in action.
Assessment Checks (Expanded):
- Ask learners to give two examples each of kinetic and potential energy.
- Ask learners to identify one source of energy used for:
- Cooking (e.g., gas, electricity, firewood)
- Transport (e.g., petrol, electricity, human muscle)
- Electricity (e.g., batteries, solar panels, generators)
- Observe participation in discussion and matching activities to ensure understanding of forms and sources of energy.
Notes (Expanded & Detailed):
- Energy is the ability to do work.
- Forms of energy:
- Kinetic energy – energy of moving objects (e.g., rolling ball, flowing water)
- Potential energy – stored energy due to position (e.g., stretched spring, water at height)
- Light energy – from the Sun or bulbs
- Heat energy – from fire, Sun, or friction
- Sound energy – from musical instruments, voices
- Chemical energy – in food, fuel, batteries
- Electrical energy – powers devices and machines
- Sources of energy: Sun, food, fuel, batteries, electricity, flowing water, wind.
- Understanding energy helps learners relate classroom concepts to everyday activities, such as cooking, transport, lighting, and entertainment.
- Encourage learners to observe and note energy use at home and school to reinforce practical understanding.
C – Consolidation (Conclusion & Assessment)
Time: 5–10 minutes
Summary:
Recap the forms and sources of energy. Reinforce how energy is used in daily life.
Evaluation Method (Expanded)
Exit slip/quiz: Learners list two forms of energy and two sources of energy.
Teacher will collect slips and provide oral feedback.
Assignment (Expanded)
Observe different forms of energy used at home for one day and record them in a table.
Follow-up Activity
Create a classroom display showing examples of forms and sources of energy.
Differentiation / Inclusive Strategies
Provide diagrams for learners who need visual support. Pair learners for discussions. Use simple examples for learners with difficulty understanding abstract concepts.
Teacher’s Reflection (After Class)
What worked well? ___________________________________________
What needs improvement? ____________________________________
Students’ engagement level: ☑ High ☑ Medium ☑ Low