Thursday, 19th March

Hi, everyone!

-Here you are the solutions to the previous exercise: Environment.

-Once you have checked your answers, open your student's book on page 76 and complete exercises 1, 2, 3, 4 and 5. (Solutions on Monday)

-Find out how Boyan Slat's invention works:
Watch this video and find out. (Remember to change the subtitles into English or, if you don't need them, do away with them.
Then, answer the following questions in your notebook:
1. How long is the system? How deep is the skirt?
2. Can the cleanup barrier affect marine life? Why?
3 How does the cleanup system work?
a. The buoy prevents .................................. from ............................ and the skirt prevents .................................................................
b. The system is operated by ...................................... , ................................ , and ............................
c. Both plastic and the system are ................................... by ............................
4. Why does the system move faster than plastic? What is the result?
5. How does the system adopt a U-shape? What is the result?
6. The ........................... helps the system change direction and takes it to ...................................
7. How is the system's position known?
8. How is plastic removed from the system? What do they do with that plastic?
9. Opinion: Do you see any disadvantage to this invention? Justify your answer. 

Want to know more? 
1. Watch the following video about Boyan Slat's invention for rivers' cleanup.
2. What is the Great Pacific Garbage Patch? How big is it? See some photos on the internet; note down some information about it (3-4 lines)