Unit 12 – Invention
Starting Off
Look at the photo and answer the questions.

- Who is the inventor of the telephone?
- Why is the telephone important in our daily life?
- How do you think life would be without telephones?
Listening
- Listen carefully to the speaker as they talk about Alexander Graham Bell’s invention of the telephone and its impact. Pay attention to the details to answer the questions.
Speaking
Activity 1: Warm-Up
Let’s think about inventions and their impact on our lives. Answer the following questions:
- What is an invention that you use every day? Why is it important to you?
- If you could invent something, what would it be?
- Do you think inventions always make life better? Why or why not?
- What is the most impressive invention you’ve ever heard of?
- How do you think life would be different without modern inventions?
Activity 2: Small Group Discussion
Work in pairs or small groups. Take turns answering these questions and listening to your partner’s ideas:
- Which invention do you think has changed the world the most? Why?
- Have you ever thought about how an invention works? Which one, and why?
- Do you think it is more challenging to invent something today than in the past? Why or why not?
- How do inventions help people solve problems? Can you give an example?
- If someone invented a machine that could do your homework, would you use it? Why or why not?
Activity 3: Role-Play
Let’s practice expressing your ideas about inventions in different scenarios:
Role 1: Presenting an Invention Idea
Imagine you are presenting your new invention idea to a group of people. How would you explain your invention clearly and confidently?
Use phrases like:
- “This invention is called…”
- “It works by…”
- “The purpose of this invention is to…”
- “I believe this will be helpful because…”
Role 2: Giving Feedback on an Invention
Imagine your friend is describing their invention idea to you. How would you give feedback respectfully and thoughtfully?
Use phrases like:
- “I think your idea is interesting because…”
- “Have you thought about…”
- “This invention could also be useful for…”
- “One suggestion I have is…”
Activity 4: Debate
Now, let’s have a debate! Each team will argue for a different invention as the most important in invention history:
Team 1: Electricity
Argue why electricity is the most important invention. Consider how it powers homes, industries, and modern technology.
Team 2: The Internet
Argue why the internet is the most important invention. Consider its role in communication, education, and access to information.
Debate Guidelines:
- Each team will have 3–4 minutes to present their argument.
- Use phrases like:
- “We believe that…”
- “One reason this invention is important is…”
- “This invention has changed the world by…”
- After the debate, discuss which arguments were most convincing and why.
Reflection: The Role of Inventions
Take a moment to think about the following questions:
- Why do you think people invent new things?
- How do you feel about the inventions that have shaped your life?
- Can you think of an invention that had unexpected effects on society?
- What qualities do you think an inventor needs to be successful?
- Do you think we will see more groundbreaking inventions in the future? Why or why not?