Mechanical Engineering and Automation – Teacher Answers

Teacher answer key

1. Warm-up: answers will vary.
2. Vocabulary: accept accurate contextual meanings.
3. Reading comprehension: 1) Errors can damage products or create safety risks. 2) They test behaviour and reveal weaknesses before manufacturing. 3) They are strong, light and corrosion-resistant. 4) Examples: hospital robots, robotic vacuum cleaners, smart heating systems. 5) Maintenance, repair, energy use, safety and effects on people.
4. Grammar: 1) are designed; 2) are tested; 3) are used; 4) are checked
5. Listening script: “A robotic arm in a factory uses sensors to detect the position of a part. A motor moves the arm, while software controls the speed and direction. If a sensor finds that the part is out of place, the system can stop or correct the movement.”
   Answers: 1) Sensors. 2) A motor. 3) Software. 4) The system can stop or correct the movement.
6. Speaking: answers will vary.
7. Something fun: answers will vary.
8. Writing: answers will vary. Encourage students to use details from the lesson and accurate target language.

Puzzle/Game: answers will vary. Encourage students to use lesson vocabulary and explain their choices.

Success criteria: this is a student self-check. No single answer is required.

For open-ended tasks, accept different answers when students can explain or support them clearly.