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including plastic, aluminums, cloth and paper。 card ? dip one end of a tin can into paint ? press the painted rubbish on a card to make different shapes Listen to the tape and answer the following questions: 1. What may be needed to make pizza faces? 2. How many steps are there to make string pictures? Part B Work in groups to discuss the following questions 1. Which idea do you think is the most interesting? 3. How would you use them to make unusual pictures? 2. What other things could you make unusual pictures from? Watch one or two videos on how to create unusual pictures and take down the steps please. Doing your project 1. Planning: grouping the students into a team of three or four and decide on the name of their unusual picture ? Our topic __________________________________________________. Doing your project 2. Preparing: discussing the tasks for each member of the team