Task#1 Write words for these definitions 1. an object or machine that has been invented for a particular purpose 2. a movement of water (or air or electricity) in a particular direction 3. a small change to something in order to make it work better Task#2 Choose 4 words from the list to complete the sentences: mission, snake, current, break down, marine life, tackle, plastic, barriers. 4. The device’s is to catch the ocean’s rubbish. 5. Water make lots of plastic rubbish drift together. 6. For a school project, Boyan designed a system of floating .