





innocuous
無害の
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degrade
退化させる、分解する
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chomp down on
音を立てて食べる
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stabilizer
安定剤
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hydrogen
水素
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In 2015, the ability of these worms to consume polystyrene was discovered, sparking an entirely new field of study. The scientist’s initial discovery was that mealworms chomp down on polyethylene. The mealworms are chasing the energy produced by dissolving the polymer bonds in the plastic because it contains no nutrition. They achieve this by using a potent bacteria in their intestines that converts most plastic into only hydrogen and carbon. However, two ingredients used in the production of plastics, stabilizers and plasticizers, are difficult to degrade.
The scientist is currently attempting to understand how a mealworm accomplishes its tasks. “You can throw your plastic in, and hopefully it’ll all break down,” she says.





1. | According to the passage, how can mealworms contribute to solving environmental issues? |
Answer: |


2. | What do mealworms get from plastic, despite the fact that it contains no nutrients? |
Answer: |


3. | What are the ingredients used in the production of plastic that are difficult to degrade? |
Answer: |


4. | What situation does the scientist hope to be in when we throw plastic? |
Answer: |




1. | __________ make plastic strong. |
2. | To make water, combine __________ and oxygen. |
3. | Politicians try to make __________ speeches in order not to offend any of their supporters. |
4. | A caterpillar __________ cabbage. |
5. | Plastic is one of the materials that are difficult to __________. |





1. | What do you think we can do in our daily lives to help reduce plastic waste? |
Answer: | ||
Because |


2. | What do you think would be a better alternative to plastic? |
Answer: | ||
Because |





1. | Do you think that making use of mealworms is the most effective way to help solve the issue of plastic waste? |
Answer: | (Yes, I do. / No, I don’t.) | |
Because |


2. | Do you often use plastic bags? |
Answer: | (Yes, I do. / No, I don’t.) | |
Because |





What items do you think can be recycled or reduced?
Answer: |


Tell me anything you can think of.
For example: bring your own reusable bag when shopping
Answer: |
