Lesson Notes By Weeks and Term v4 - JHS 3

Lesson Video

This page supports the lesson note with a companion video and a short classroom-ready summary.

For class groups and homework, share this lesson page so learners also get the summary, objectives, and full lesson context.

Performance objectives

• Speak clearly about your ideas using technology.
• Explain how technology helps communication in your community.
• Demonstrate using at least two communication technologies.
• Propose solutions to communication challenges in your community.

Lesson summary

This lesson explores the fascinating journey of how we communicate with each other in our communities. We will look back at the methods our grandparents used, like the talking drum and town criers, and compare them to the powerful tools we use today, such as mobile phones and the internet. Understanding this evolution is crucial because communication technology shapes our friendships, our businesses, our education, and even our safety. This lesson will empower learners to not only use these tools but also to clearly explain how they work and how they affect our lives in Ghana.

Lesson notes

A. Fundamental Definitions Communication: This is the process of sharing information, ideas, or feelings between people. It involves a sender (who sends the message), a message (the information), a channel (the way the message travels), and a receiver (who gets the message). Technology: This refers to any tool, machine, or method created by humans to make a task easier or to solve a problem. A simple hammer is technology, and so is a smartphone. Communication Technology: This is any tool or system used to make the process of communication easier, faster, and more efficient. It helps us send messages over long distances to many people at once. B. Evolution of Communication in Ghana: Traditional vs. Modern

We can group communication technologies into two main categories based on our history. Traditional Communication Methods These were the methods used in our communities before the invention of electricity and modern electronics. They were very creative but had limitations. Talking Drums (e.g., *Atumpan*): How it works: Skilled drummers used special drums that could produce different tones, mimicking the tonal patterns of languages like Twi. They could send complex messages from one village to the next. Example: A drummer could announce the death of a chief, a call to arms for war, or the arrival of an important visitor. Limitation: Only trained people could understand the messages, and the message could only travel as far as the drum could be heard. Town Criers (Gong-gong Beaters): How it works: A designated person would walk through the community, beating a metal gong (*dawuro*) to get everyone's attention. Once people gathered, they would shout out the message from the chief or elders. Example: Announcing a community clean-up exercise, a new rule from the palace, or a warning about a danger. Limitation: The message only reached people within earshot and could not be sent to another town quickly. Smoke Signals: How it works: Fire was used to create puffs of smoke. The pattern, colour, and number of smoke puffs carried a pre-arranged meaning. Example: Hunters in the forest could use smoke signals to show their location or to signal danger. Limitation: It only worked in clear weather, over line-of-sight distances, and could only carry very simple messages. Modern Communication Methods These methods use electricity and digital technology. They have revolutionised how we live. Mobile Phones: How it works (simplified): When you speak into your phone, your voice is converted into a digital signal. This signal is sent as a radio wave to a nearby cell mast (tower). The mast sends the signal through a network to the mast nearest your friend's phone. That mast sends the signal to their phone, which converts it back into sound. Importance: Allows for instant two-way voice communication, sending text messages (SMS), accessing the internet, and using services like Mobile Money (MTN MoMo, Vodafone Cash, AirtelTigo Money), which has transformed business in Ghana. The Internet: How it works (simplified): The internet is a massive, global network of connected computers. You can connect to it through a mobile network (using data bundles) or Wi-Fi. Once connected, you can access information and communicate in many ways. Tools it enables: Email: Sending electronic letters. Social Media (WhatsApp, Facebook, TikTok): Sharing updates, photos, and messages with groups of people instantly. Video Conferencing (Zoom, Google Meet): Having face-to-face meetings with people in different locations. Importance: It provides access to a world of information for schoolwork, allows businesses to operate online, and connects families across continents. Radio and Television (Broadcasting): How it works: A central station (e.g., GBC, Joy FM) sends out a powerful signal (radio waves) carrying sound or video. Antennas on your radio or TV set at home pick up this signal. This is "one-to-many" communication. Importance: It is a vital tool for mass communication. The government uses it for public announcements (e.g., COVID-19 updates), news is shared with millions instantly, and it provides entertainment and education. C. Impact on the Ghanaian Community

| Positive Impacts (+) | Negative Impacts (-) | | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- | | Speed & Efficiency: News and information travel instantly. A family emergency can be communicated in seconds. | Misinformation ("Fake News"): False stories can spread rapidly on WhatsApp and Facebook, causing panic or harm. | | Economic Growth: Mobile Money allows for easy and secure transactions, helping small businesses grow. | Cyberbullying & Scams: People can be bullied online, and criminals ("sakawa") can use technology to defraud others. | | Strengthened Relationships: Families and friends can stay connected even when they are far apart, using video calls. | Reduced Face-to-Face Interaction: People may spend more time on their phones than talking to the people right beside them. | | Access to Education: Students can use the internet to research for their school projects and access online learning materials. | Digital Divide: People in rural areas with poor network coverage or who cannot afford smartphones are left behind. |

Guided Practice (With Solutions)