Learners explore objects containing polymers. They collect everyday objects at their home that contain polymers. They identify the materials containing polymers that make up the object and share the objects with the class.
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Lab: Successive Heat and Cool Cycles in Thermoplastic Polymers
Do the properties of a thermoplastic polymer change after successive cycles of heating and cooling? In this lab assignment, young chemists find out by melting, molding, and re-melting hot glue gun sticks one, two, and three times. They...
7th - 12th Science