Một số câu hỏi trong IELTS Speaking Part 2 yêu cầu bạn mô tả các phát minh hoặc công nghệ có ảnh hưởng lớn. Đề bài "Describe an invention that has changed the world in a positive way" yêu cầu bạn nói về một phát minh quan trọng, lợi ích của nó và tác động đến cuộc sống con người. Chúng ta hãy cùng SOL IELTS giải quyết đề bài này trong bài viết dưới đây nhé.
Describe an invention that has changed the world in a positive way
You should say:
What it is
What benefits it has brought
How it influences people of different ages
And explain how it changed people’s lives

Trong 1 phút chuẩn bị, bạn có thể suy nghĩ theo các bước sau:
Chọn một phát minh quan trọng: Internet, điện thoại thông minh, điện, máy bay...
Lợi ích mang lại: Kết nối con người, cải thiện giao tiếp, nâng cao chất lượng cuộc sống...
Ảnh hưởng đến các nhóm tuổi khác nhau: Trẻ em, người lớn, người cao tuổi.
Tác động tổng thể đến cuộc sống: Thay đổi cách con người làm việc, học tập, giải trí...
One invention that I find really useful but not many people talk about is the rice cooker. It might not be as advanced as modern technology, but for many families, especially in Vietnam, it has made daily cooking much easier.
The biggest benefit of a rice cooker is that it saves time and effort. Instead of having to watch over a pot on the stove, you just add rice and water, press a button, and let the machine do the work. This is especially helpful for busy people who don’t have much time to cook. It also ensures that the rice is cooked perfectly every time, without burning or being undercooked.
This invention is useful for all age groups. Parents rely on it to prepare quick meals for their families. Students and workers use it to cook simple meals, especially when living away from home. Even elderly people find it convenient because it requires minimal effort and reduces the risk of accidents in the kitchen.
I can say that the rice cooker has changed people’s daily routines in a positive way. It has made cooking more convenient, reducedfood waste, and given people more time to focus on other tasks. Although it’s a simpleinvention, I think it has had a big impact on many households, including my own.
One invention that has changed the world in a positive way is the Internet. It has completely transformed how people communicate, access information, and do business.
The Internet provides instant access to vast amounts of information, making learning easier and more convenient. It also helps businesses grow by enabling global trade and remote work. Additionally, it has revolutionized entertainment with streaming services and online gaming.
For different age groups, the Internet has unique influences. Young people use it for education and socializing, adults rely on it for work and daily tasks, and elderly people benefit from staying connected with family and accessing health services.
Overall, the Internet has made life more efficient and connected. It has broken down geographical barriers and made knowledge more accessible to everyone, improving the quality of life worldwide.
An invention that has had a huge positive impact on the world is the smartphone. It has changed the way people communicate, work, and entertain themselves.
Smartphones bring many benefits. They allow people to stay connected anytime, anywhere, access the Internet, and use countless useful apps for navigation, shopping, or health tracking. They have also made photography and video recording more accessible to everyone.
For different age groups, smartphones serve different purposes. Teenagers use them for social media and online learning, adults depend on them for work and organization, and older people find them useful for staying in touch with family and using health apps.
Smartphones have completely changed people’s lives by making communication more convenient and providing endless entertainment and productivity tools. It’s hard to imagine modern life without them.
Instant access to vast amounts of information – Truy cập tức thì vào lượng thông tin khổng lồ.
Revolutionized entertainment – Cách mạng hóa ngành giải trí.
Break down geographical barriers – Xóa bỏ rào cản địa lý.
Stay connected anytime, anywhere – Kết nối mọi lúc, mọi nơi.
Health tracking apps – Ứng dụng theo dõi sức khỏe.
Endless entertainment and productivity tools – Công cụ giải trí và năng suất không giới hạn.
Improve the quality of life – Cải thiện chất lượng cuộc sống.
"I’d argue that AI is unlikely to completely replace human teachers. From my perspective, teaching is not just about delivering information—it’s about building relationships, understanding emotions, and providing mentorship. For example, a teacher can sense when a student is struggling emotionally and offer personalized support, something AI cannot replicate. I’m convinced that while AI can be a valuable tool, it cannot replace the human touch in education."
Từ vựng hữu ích:
building relationships /ˈbɪldɪŋ rɪˈleɪʃnʃɪps/: xây dựng mối quan hệ
understanding emotions /ˌʌndəˈstændɪŋ ɪˈməʊʃnz/: thấu hiểu cảm xúc
providing mentorship /prəˈvaɪdɪŋ ˈmɛntɔːʃɪp/: cung cấp sự hướng dẫn
personalized support /ˈpɜːsənəlaɪzd səˈpɔːt/: hỗ trợ cá nhân hóa
valuable tool /ˈvæljʊəbl tuːl/: công cụ giá trị
human touch /ˈhjuːmən tʌtʃ/: sự tiếp xúc con người
"While AI may not fully replace human teachers, I’d say it can complement their role. From what I’ve seen, AI can handle tasks like grading assignments and personalizing learning plans, freeing up teachers to focus on interactive and creative teaching methods. Take, for instance, AI-powered platforms like Khan Academy, which provide adaptive learning but still require human teachers to guide students. I’m of the opinion that AI and human teachers can work together to enhance education."
Từ vựng hữu ích:
complement /ˈkɒmplɪmənt/: bổ sung
grading assignments /ˈɡreɪdɪŋ əˈsaɪnmənts/: chấm điểm bài tập
personalizing learning plans /ˈpɜːsənəlaɪzɪŋ ˈlɜːnɪŋ plænz/: cá nhân hóa kế hoạch học tập
interactive /ˌɪntərˈæktɪv/: tương tác
creative teaching methods /kriˈeɪtɪv ˈtiːtʃɪŋ ˈmɛθədz/: phương pháp giảng dạy sáng tạo
adaptive learning /əˈdæptɪv ˈlɜːnɪŋ/: học tập thích ứng
"I’d say that digital devices like tablets and interactive whiteboards are some of the most useful inventions in schools. From my experience, these tools make learning more engaging and accessible. For instance, interactive whiteboards allow teachers to display multimedia content, which helps students visualize complex concepts. I’m convinced that such inventions can revolutionize the way education is delivered."
Từ vựng hữu ích:
digital devices /ˈdɪdʒɪtl dɪˈvaɪsɪz/: thiết bị kỹ thuật số
tablets /ˈtæblɪts/: máy tính bảng
interactive whiteboards /ˌɪntərˈæktɪv ˈwaɪtbɔːdz/: bảng trắng tương tác
engaging /ɪnˈɡeɪdʒɪŋ/: hấp dẫn
accessible /əkˈsɛsəbl/: dễ tiếp cận
multimedia content /ˌmʌltiˈmiːdiə ˈkɒntɛnt/: nội dung đa phương tiện
visualize complex concepts /ˈvɪʒʊəlaɪz ˈkɒmplɛks ˈkɒnsɛpts/: hình dung các khái niệm phức tạp
revolutionize /ˌrɛvəˈluːʃənaɪz/: cách mạng hóa
"A useful invention in schools is 3D printers. From what I’ve observed, these devices allow students to bring their creative ideas to life, making subjects like science and design more hands-on and exciting. For example, students can design and print prototypes for their projects, which enhances their problem-solving skills. I’d argue that such tools encourage innovation and critical thinking."
Từ vựng hữu ích:
3D printers /ˌθriːˈdiː ˈprɪntəz/: máy in 3D
creative ideas /kriˈeɪtɪv aɪˈdɪəz/: ý tưởng sáng tạo
science /ˈsaɪəns/: khoa học
design /dɪˈzaɪn/: thiết kế
hands-on /ˌhændz ˈɒn/: thực hành
exciting /ɪkˈsaɪtɪŋ/: thú vị
prototypes /ˈprəʊtətaɪps/: nguyên mẫu
problem-solving skills /ˈprɒbləmˌsɒlvɪŋ skɪlz/: kỹ năng giải quyết vấn đề
innovation /ˌɪnəˈveɪʃn/: sự đổi mới
critical thinking /ˈkrɪtɪkl ˈθɪŋkɪŋ/: tư duy phản biện
"I’d say that washing machines and dishwashers are appliances that can make us lazy. From my perspective, these devices save us a lot of time and effort, but they also reduce the need for physical activity. For instance, instead of washing dishes by hand, people often rely on dishwashers, which can lead to a more sedentary lifestyle. I’m convinced that while these appliances are convenient, they can contribute to laziness if overused."
Từ vựng hữu ích:
washing machines /ˈwɒʃɪŋ məˈʃiːnz/: máy giặt
dishwashers /ˈdɪʃˌwɒʃəz/: máy rửa bát
physical activity /ˈfɪzɪkl ækˈtɪvɪti/: hoạt động thể chất
sedentary lifestyle /ˈsɛdəntəri ˈlaɪfstaɪl/: lối sống ít vận động
laziness /ˈleɪzɪnəs/: sự lười biếng
"I think an appliance that can make us lazy is the robot vacuum cleaner. From what I’ve seen, these devices take over the task of cleaning floors, which means people don’t have to do it themselves. Take, for example, my friend who owns one—he rarely sweeps or mops anymore. I’d argue that while these gadgets are time-saving, they can also encourage dependence on technology and reduce our motivation to stay active."
Từ vựng hữu ích:
robot vacuum cleaner /ˈrəʊbɒt ˈvækjʊəm ˈkliːnə/: máy hút bụi robot
time-saving /ˈtaɪmˌseɪvɪŋ/: tiết kiệm thời gian
dependence /dɪˈpɛndəns/: sự phụ thuộc
motivation /ˌməʊtɪˈveɪʃn/: động lực
"I’d argue that the smart home system is the most helpful innovation. From my perspective, it allows homeowners to control lighting, temperature, and security remotely, making life more convenient and energy-efficient. For example, you can adjust your home’s temperature while you’re still at work, ensuring a comfortable environment when you arrive. I’m convinced that this technology not only saves time but also enhances home security and sustainability."
Từ vựng hữu ích:
smart home system /smɑːt həʊm ˈsɪstəm/: hệ thống nhà thông minh
lighting /ˈlaɪtɪŋ/: ánh sáng
temperature /ˈtɛmprɪtʃə/: nhiệt độ
security /sɪˈkjʊərɪti/: an ninh
convenient /kənˈviːniənt/: tiện lợi
energy-efficient /ˈɛnədʒi ɪˈfɪʃnt/: tiết kiệm năng lượng
home security /həʊm sɪˈkjʊərɪti/: an ninh gia đình
sustainability /səˌsteɪnəˈbɪlɪti/: tính bền vững
"One the incredibly helpful innovations is the air purifier. From what I’ve observed, these devices improve indoor air quality, which is essential for health and well-being. Take, for instance, families living in urban areas where air pollution is high—air purifiers can significantly reduce the risk of respiratory issues. I’d say that this invention is a game-changer for maintaining a healthy living environment."
air purifier /eə ˈpjʊərɪfaɪə/: máy lọc không khí
indoor air quality /ˈɪndɔː eə ˈkwɒlɪti/: chất lượng không khí trong nhà
health /hɛlθ/: sức khỏe
well-being /ˈwɛlbiːɪŋ/: sự khỏe mạnh
urban areas /ˈɜːbən ˈeəriəz/: khu vực thành thị
air pollution /eə pəˈluːʃn/: ô nhiễm không khí
respiratory issues /rɪˈspɪrətəri ˈɪʃuːz/: vấn đề hô hấp
game-changer /ˈɡeɪmˌtʃeɪndʒə/: yếu tố thay đổi cuộc chơi
healthy living environment /ˈhɛlθi ˈlɪvɪŋ ɪnˈvaɪrənmənt/: môi trường sống lành mạnh
Từ vựng hữu ích:
Hy vọng với bài viết này, SOL đã giúp các bạn có thêm những ý tưởng và từ vựng để chuẩn bị cho kỳ thi IELTS Speaking sắp tới.
Chúc bạn đạt aim nhé.
