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Career Technology · B7

Term 3 · Week 2 · 2.00 credits · GHS 1.00

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Lesson Note - Career Technology

ANA Central M/A Basic

Weekly Lesson Plan

JHS 1 (B7) · Term 3

Career Technology

Lesson 1 of 1

Week Ending

Friday, 01 May 2026 Backdated

Week & Term

Week 2 · Term 3

Class Teacher

Maame Ama

Subject

Career Technology

Class

JHS 1 (B7)

Class Size

Duration

60 mins

Week No.

Week 2

Strand

2. MATERIALS FOR PRODUCTION

Sub-Strand

4. FOOD COMMODITIES (ANIMAL AND PLANT SOURCES)

Content Standard & Indicator

B7.2.3.1.1

Content Standard

Demonstrate knowledge of basic food commodities

Indicator

Explore the general properties of smart and modern

Performance Indicator

Learners will identify and describe the general properties of smart and modern materials used in Ghanaian food production and safety industries.

Core Competencies

Key Words

Teaching / Learning Resources (TLR)

References

Lesson Activities by Day

Date	Phase 1: Starter (7 mins) Preparing the brain	Phase 2: Main (20 mins) New learning + assessment	Resources	Phase 3: Plenary (6 mins) Reflection + exercise
Mon 27 Apr 2026	1Recall the everyday materials used in Ghanaian food markets and identify why they are chosen for specific tasks 2Show learners three objects: a plastic food container from Makola Market, a woven basket, and a metal pot. Ask: Why do traders at Kejetia Market choose different materials for storing yam, rice, and fish? Learners discuss in pairs	UNDERSTANDING SMART AND MODERN MATERIALS IN FOOD PRODUCTION 1Display the textbook page showing definitions of smart materials (materials that respond to external stimuli like light, temperature, and moisture) and modern materials (improved materials with enhanced properties). Read aloud the example: thermochromic packaging changes colour when food temperature changes, helping traders at Techiman Market know if chilled fish is still fresh. Learners copy the definitions into their exercise books with one Ghanaian example each 2Show samples of materials or pictures using the tools/materials for practical: a photochromic film (or picture of colour-changing fabric), and a piece of graphene-based material. Ask: What do you observe about how these materials look different? Guide learners to describe that smart materials change their appearance or behaviour based on conditions like light, heat, or moisture. Learners write three properties they notice in their exercise books 3Struggling learners: work with the teacher to identify only light and temperature effects; skip moisture detail for now.	1Textbook (Career Technology) 2Tools/materials for practical (photochromic film, graphene-based sample, or high-quality pictures) 3Exercise book	1Ask learners to stand and hold up their exercise books. Call on one representative from each group to read aloud their example of a smart or modern material used in food storage or safety in Ghana. Confirm accuracy and reinforce the link to material properties 2Pose: 'If you were designing a food container for a chop bar in Accra, would you choose a material that responds to temperature? Why or why not?' Learners whisper their answer to their partner, then invite three volunteers to share their reasoning with the class Exercise 1Write the name of one smart or modern material. Describe one external stimulus (light, temperature, or moisture) that affects it and explain how it changes. Example: 'Thermochromic paint — temperature makes it change colour.' in their exercise books.
Wed 29 Apr 2026	1Recall the definitions of smart and modern materials and identify the three main external factors that change their properties 2Display pictures of thermochromic products (e.g. colour-changing cups, mood rings used in Ghanaian shops) and photochromic glasses. Ask: What do you notice happening to these items when exposed to heat or light? Learners discuss in pairs and share one observation aloud	EFFECTS OF LIGHT, TEMPERATURE, AND MOISTURE ON SMART AND MODERN MATERIALS 1Using the Textbook, guide learners through three worked examples: (1) Photochromic materials (like Ama's school glasses) turn dark in sunlight and light again indoors—light causes the colour change. (2) Thermochromic materials (like the fever strip Kofi's mother uses) change colour from clear to blue when temperature rises above 37°C. (3) Graphene oxide materials (used in advanced water-resistant fabrics) bend or swell when wet. Learners copy the three examples into their Exercise books with one sentence explaining each 2Distribute Tools/materials for practical: samples of thermochromic paper, a beaker of hot water, ice, and a torch. In groups of 5, learners perform three quick tests: hold the thermochromic paper over hot water (observe colour change), place it on ice (observe fading), and shine the torch on the photochromic sample (if available, or describe the effect from the textbook). Each group records one sentence per test result in their Exercise book explaining what they observed and which external factor caused the change 3Struggling learners work with only the thermochromic paper test and copy the example sentences from the board; fast finishers predict what would happen if they combined two factors (e.g. heat + light together) and write their prediction in their Exercise book.	1Textbook 2Tools/materials for practical (thermochromic paper, torch, hot water, ice, beaker) 3Exercise book	1Ask a learner who completed the practical test to explain to the class one example of how temperature changed the smart material. Other learners give thumbs up if they agree with the explanation 2Learners pair up and take turns: one partner names a factor (light, temperature, or moisture) and the other partner explains one real-world Ghanaian example of a product that changes because of it (e.g. colour-changing cups, water-resistant medical tape, heat-sensitive food labels). Swap roles after two rounds Exercise 1Write or draw: Describe one way that light OR temperature changes a smart or modern material. Give a real example of a product used in Ghana that shows this change. (Accept one sentence + simple sketch or two clear sentences.) in their exercise books.

Class Teacher

Maame Ama

Head Teacher

Signature & Date

SISO / Circuit Supervisor

Signature & Date

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