Sodium alginate is a polymer which can be extracted from brown seaweed and kelps. It is one of the structural polymers that help to build the cell walls of these plants. It has some unusual properties and a wide variety of uses.
This practical is part of our Chemistry for non-specialists collection.
Get students to compare the properties of glass and plastic polymers
Meet Katherine Curran, a chemist applying her polymer know-how to the conservation of plastic museum objects
Wednesday 21 July, 3.45-4.45pm BST, online.
DART (Directed Activity Related to Text) covering separation techniques, including dissolution, distillation and filtration. Decaffeination provides a great context to add depth to a sequence of lessons on separation techniques.
A worksheet including three classroom activities to evaluate the role plastic plays in everyday life
A matching activity worksheet using clues to identify and name repeating polymers based on their chemical structure
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