For the past 3 weeks the Grade 8s have been working as engineering teams, designing and creating model Hot Air Balloons using plastic drinking straws and plastic bags as their construction materials. Their goal is to ensure that their hot air balloon is able to fly, while meeting the design criteria and constraints. They have been experimenting with different plastic bags and determining how different materials have affected the ability for their balloons to fly. This is what they have produced so far:

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