TOPIC: Energy II
SUBTOPIC: Sources of Energy
DAY: ____________________
DATE: ____________________
PERIOD: ____________________
DURATION: 40 minutes
LEARNING OBJECTIVES:
At the end of the lesson, pupils should be able to:
- Define what a source of energy is.
- Identify different sources of energy in their environment.
- Mention examples of natural and man-made sources of energy.
KEY VOCABULARY WORDS:
Source, Energy, Sun, Battery, Electricity, Fuel, Gas
INSTRUCTIONAL MATERIALS:
- Flashcards with different sources of energy
- Pictures showing the sun, firewood, gas, water, batteries
- Real items like battery, torchlight, matchstick, etc.
CONTENT OF THE LESSON
INTRODUCTORY ACTIVITY:
Teacher asks: “Where does your torchlight get its power from? What makes the fan or stove work?”
Pupils give responses such as battery, gas, electricity, etc.
MEANING OF SOURCE OF ENERGY:
A source of energy is where energy comes from. It is what gives us power to do work.
TYPES OF ENERGY SOURCES
- Natural Sources of Energy: These come from nature. They include:
- Sun – it gives light and heat
- Wind – it moves objects and helps windmills to work
- Water – it can move machines and generate electricity
- Wood/Firewood – it’s used for cooking
- Man-Made Sources of Energy: These are made by people. They include:
- Battery – it’s used in torchlights and toys
- Electricity – it’s used at home and school
- Gas (cooking gas) – it’s used in stoves to cook
- Petrol/Diesel – it’s used in cars and generators
ILLUSTRATION
Source | Natural or Man-made | Where it is Used |
Sun | Natural | Drying clothes, lighting |
Battery | Man-made | Torchlight, toys, remotes |
Gas | Man-made | Cooking, heating, vehicles |
Firewood | Natural | Cooking, heating, campfires |
Electricity | Man-made | TV, fan, light, appliances |
CLASS EXERCISE 1
Write N for Natural and M for Man-made in front of each:
- ______ Sun
- ______ Battery
- ______ Wind
- ______ Electricity
- ______ Firewood
CLASS EXERCISE 2
Draw two natural sources and one man-made source of energy.
ASSIGNMENT (Multiple-Choice Questions)
- The ______ gives us heat and light. A. Sun B. Fan C. Torch
- ______ is used to power our television. A. Stone B. Electricity C. Leaf
- Cooking gas is a ______ source of energy. A. natural B. plant C. man-made
- Which of these is NOT a source of energy? A. Rain B. Wind C. Battery
- Firewood is used mainly for ______. A. dancing B. drawing C. cooking