
“Life Below Water” is the topic of this unit.
■ Learn the vocabulary and expressions related to the ocean and marine resources.
■ Get to know and share your thoughts on the countries facing ocean and marine resource issues.
■ Give a presentation related to ocean and marine resource issues.







1. | What are the effects of climate change? |
The effects of climate change are _______________. |


2. | Did you do your research on the sub-textbook? Did you find an activity to solve climate action issues? Please tell me what the organization/association does and how you feel about it. |




In the next part, we are going to learn about “Life Below Water”.

1. | Where is Indonesia? A, B or C? |
The answer is _________. |



2. | What can you see in the pictures? Please describe as many as you can from each picture. |
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Answer: |





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carbon dioxide 二酸化炭素
The increased use of natural gas will help in the reduction of carbon dioxide emissions.
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radiation 放射物
The radiation leak has had a significant environmental impact.
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acidification 酸性化
The entire world’s oceans are being affected by ocean acidification.
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disrupt 崩壊させる
This morning’s commute into the city was disrupted by heavy snow.
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1. | The amount of __________________ in the atmosphere has suddenly increased. |
2. | Many nuclear workers suffered and got sick because of the _______________. |
3. | Ocean _______________ is called the “secret partner” of climate change by scientists. |
4. | Climate change could __________ industries that rely on natural forces. |




Then, let’s move on to the next part.

Consider a well-known and vital ecosystem: coral reefs. Corals are living organisms on which the entire ecosystem is dependent. Corals, like forests on land, build their hard, stony skeletons over many years. This is ideal for sea creatures such as oysters, clams, crabs, starfish, sea urchins, and many species of fish. Food webs will be disrupted if these lives are harmed, with humans at the top of the food chain.


1. | What is happening in the ocean according to the passage? |
Answer: |

Furthermore, as a result of solar UV radiation and other natural factors, plastic degrades into small particles known as microplastics. Because of their small size, they are easily ingested by marine life. Microplastics have been discovered in tap water, salt, and all ocean samples collected around the world.


2. | According to the graph, since what year has the production of plastics increased dramatically? |
Answer: |






Nowadays, “a reusable shopping bag” (in Japanese: my bag) is becoming popular to reduce the number of plastic bags, and there are a lot of things we do not need to use plastic for. Give two alternatives to plastic materials and explain each. |
1. | |
2. |


Opening | Good morning/ afternoon/ evening. Today, I’d like to talk about (theme). I’d like to talk about the two alternatives to plastic materials. |
Body |
①(first idea) ②(second idea) |
Closing | These are the two alternatives to plastic materials. Thank you for listening. |

Opening | Good morning/ afternoon/ evening. Today, I’d like to talk about (theme). I’d like to talk about the two alternatives to plastic materials. |
Body | _____________________________________________ ① __________________________________________ ② __________________________________________ |
Closing | _____________________________________________ |



Answer: |



