Lesson Notes By Weeks and Term - Primary 3






Topic: Energy

Subtitle: Forms of energy

Learning Objectives: At the end of this this lesson, pupils should be able to:

  1. define and explain the meaning of energy.
  2. explains the different forms of energy.
  3. explain the sources of energy.
  4. explains how energy can be generated.

Resources and materials:

Scheme of work

Online information

Instructional material:

1. Sand

2. Wheelbarrow

3. Shovel

4. Stick

5. Plane

6. Mirror

7. Lenses concave

8. Empty tins with 4nshinny surface.9. Pencils.

Building Background/connection to prior knowledge: pupils are familiar with the topic in their previous classes.




Energy is the ability to do work.


  • Cooking
  • Heating
  • Technology
  • Transportation


Thermal (Heat) Energy

Thermal energy is created from the vibration of atoms and molecules within substances. The faster they move, the more energy they possess and the hotter they become. Thermal energy is also called heat energy.

Chemical Energy

Chemical energy is stored in the bonds of atoms and molecules – it is the energy that holds these particles together. Stored chemical energy is found in food, biomass, petroleum, and natural gas.

Nuclear Energy

Nuclear energy is stored in the nucleus of atoms. This energy is released when the nuclei are combined (fusion) or split apart (fission). Nuclear power plants split the nuclei of uranium atoms to produce electricity.

Electrical Energy

Electrical energy is the movement of electrons (the tiny particles that make up atoms, along with protons and neutrons). Electrons that move through a wire are called electricity. Lightning is another example of electrical energy.

Radiant Energy

Also known as light energy or electromagnetic energy, radiant energy is a type of kinetic energy that travels in waves. Examples include the energy from the sun, x-rays and radio waves.

Light Energy

Light energy is a form of electromagnetic radiation. Light consists of photons, which are produced when an object's atoms heat up. Light travels in waves and is the only form of energy visible to the human eye.

Motion Energy

Motion energy – or mechanical energy – is the energy stored in objects; as objects move faster, more energy is stored. Examples of motion energy include wind, a flowing river, a moving car, or a person running.

Sound Energy

Sound energy is the movement of energy through substances. It moves in waves and is produced when a force makes an object or substance vibrate.

Elastic Energy

Elastic energy is a form of potential energy which is stored in an elastic object - such as a coiled spring or a stretched elastic band.

Gravitational Energy

Gravitational energy is a form of potential energy. It is energy associated with gravity or gravitational force – in other words, the energy held by an object.


Strategies& Activities:

Step 1: Teacher revises the previous topic.

Step 2: Teacher introduces the new topic.

Step 3: Teacher explains the new topic.

Step 4: Teacher welcomes pupils questions.

Step 5: Teacher evaluates the pupils.

Assessment & Evaluation:

  1. define and explain the meaning of energy.
  2. explains the different forms of energy.
  3. explain the sources of energy.
  4. explains how energy can be generated.


Teacher goes over the topic once again for better understanding.


  1. what is energy?
  2. name two forms of energy you know.
  3. give two sources of energy.
  4. explains in simple method of generating energy.

© Lesson Notes All Rights Reserved 2023