Some examples from ECLIPSE of what students have said relating to electrical charge:
K-plus represents a potassium atom that has an extra electron
Plus and minus signs represent the charges on atoms
This is just one of a wide range of science topics that learners have talked about in ECLIPSE projects.
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List of science topics
Dr Keith S Taber kst24@cam.ac.uk
University of Cambridge Faculty of Education
© Keith S Taber, 2012