Saving our reefs | Tiếng Anh 9 (Explore English) | Video (optional) - Lớp 9 - Cánh Diều

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   Saving Our Reefs

ABOUT THE VIDEO
Coral reefs are important habitats for many marine animals, and we should protect them.

BEFORE YOU WATCH
Check (✔) the words you think describe coral reefs.

   O endangered              O a type of marine plant              O mainly found in deep water
   O colorful                     O sensitive to environmental changes

WHILE YOU WATCH

A. Circle the correct answers.

   1. The reef's structure is formed by the (waste / outer skeletons) of the polyps.
   2. A bleaching event occurs when the water becomes too (warm / cold).
   3. Marine plants use carbon dioxide to (make food / breathe).

B. Watch the video again. Number the sequence of events (1-5).

   _____ Human activities increase the amount of carbon dioxide in oceans.
   _____ Many species could become extinct as a result.
   _____ Sea creatures that depend on the tiny animals die.
   _____ The water becomes acidic.
   _____ The shells and skeletons of tiny sea creatures are destroyed, and the creatures die.

AFTER YOU WATCH
Talk with a partner. Would you want to go diving to see coral reefs? In which areas in the world are coral reefs mainly found?