Energy · JHS1 Science

Lesson notes

Learning Objectives

Indicator: B7.4.1.1.2 - Explain daily applications of forms of energy.

By the end of the lesson, learners can:

Identify at least three forms of energy and match each to a specific appliance or gadget used in their school, home, or community.
Explain, in their own words, how potential energy (PE = mgh) and kinetic energy (KE = 1/2 mv²) are applied in everyday situations.
State the factors that affect potential energy (mass, height, gravity) and kinetic energy (mass, velocity).
Use the mathematical expressions PE = mgh and KE = 1/2 mv² to solve simple numerical problems.
Discuss orally, in clear order with relevant details, how energy is changed from one form to another in a daily activity such as cooking, travelling, or playing.

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Curriculum details

Strand: Forces and Energy (Strand 4)
Sub-strand: Energy (4.1)
Content standard: B7.4.1.1 - Demonstrate an understanding of forms of energy and their daily applications
Indicator: B7.4.1.1.2 - Explain daily applications of forms of energy.
Suggested placement: Term 2, Week 6 (Week 18 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Science, Common Core Programme (JHS1-JHS3), 2023, p. 27
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Discuss how forms of energy are used in daily life.
2. Match forms of energy to appliances (gadgets) used daily at school, in the home and community.
3. Explain factors that affect Potential and Kinetic energy in their application in daily life.
4. Use mathematical expressions for both Potential energy (PE = mgh) and Kinetic energy (KE = ½ mv 2 ) and use the expressions to solve problems involving mechanical energy.