Set the Scene:
Let’s start with some engaging questions to connect your everyday life to the subject of corrugated cardboard:
- How often do you use or encounter cardboard in your daily life?
- What are some common products that you think are often packaged in cardboard?
- Have you ever thought about the environmental impact of cardboard production and disposal?
- Can you think of any innovative ways to reuse or recycle cardboard?
- How do you think the use of cardboard affects the economy and the environment?
These questions will help us transition into the context of the activity and make it more relatable and engaging.
Featured Image Analysis & Prediction:
Take a look at the featured image and answer the following questions:
- What do you see in the image?
- What do you think this activity will be about based on this image?
- Can you identify any key elements or themes related to corrugated cardboard in the image?
Introduction:
Read the introduction to the activity and get familiar with the topic of corrugated cardboard.
Video Engagement:
Watch the video associated with the activity: The Science Of Cardboard
Pause the video at the following strategic points and discuss the questions:
- Pause at 2:00 minutes: What is the history of corrugated cardboard, and how has it evolved over time?
- Pause at 5:00 minutes: What is the production process of corrugated cardboard, and what are the key elements involved?
- Pause at 8:00 minutes: What are the benefits of recycling corrugated cardboard, and how does it impact the environment?
For more information, visit the original post: https://maestrocursos.com.br/quizzed-esl-activities/the-science-of-cardboard/
Vocabulary Quiz:
Test your understanding of the key vocabulary related to corrugated cardboard:
- What percentage of products sold in the United States are packaged in cardboard?
- A) 50%
- B) 70%
- C) 80%
- D) 90%
- In what year did American Albert L. Jones patent the first corrugated paper packaging material for cushioning glass bottles?
- A) 1856
- B) 1860
- C) 1871
- D) 1880
- What is the temperature range to which the paper stock is heated during the corrugation process?
- A) 150-170°C
- B) 160-180°C
- C) 176-190°C
- D) 180-200°C
- How much energy is required for recycling paper-based packaging compared to virgin paper production?
- A) 50%
- B) 60%
- C) 75%
- D) 90%
- By what percentage is water usage reduced through recycling paper-based packaging?
- A) 50%
- B) 70%
- C) 80%
- D) 90%
Answer Key:
- C) 80%
- C) 1871
- C) 176-190°C
- C) 75%
- D) 90%
Grammar Focus:
Focus on the use of the passive voice in the context of corrugated cardboard:
The passive voice is a grammatical construction where the subject of a sentence receives the action described by the verb. It is often used in formal or technical writing to emphasize the action rather than the doer.
Examples:
- Corrugated packaging originated in the 1850s with an English patent issued in 1856.
- The production process involves mounting paper stock onto unwinding stands, heating it to 176-190°C with pressurized steam, and shaping it into a fluted pattern at the corrugating rolls.
Grammar Quiz:
Test your understanding of the passive voice:
- The new employee ____________________ by the HR department yesterday.
- was interviewed
- interviews
- is interviewing
- to interview
- The company’s profits ____________________ by 20% last year due to effective marketing strategies.
- were increased
- have increased
- are increasing
- increase
- The researcher’s findings ____________________ in a prestigious scientific journal.
- are publishing
- have been published
- publish
- were published
- The new policy ____________________ by the management team and will be implemented next month.
- has been approved
- approves
- is approving
- to approve
- The ancient city ____________________ by archaeologists using advanced technology and excavation techniques.
- is being excavated
- has been excavated
- excavate
- were excavating
Answer Key:
- was interviewed
- were increased
- have been published
- has been approved
- has been excavated
