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Cordua, William S. – Science Activities, 1994
Discusses common as well as uncommon minerals that are attracted to a hand magnet. Included in the discussion are answers to the following questions: (1) What causes this attraction? and (2) How many different minerals respond to a hand magnet? (ZWH)
Descriptors: Elementary Secondary Education, Geology, Magnets, Minerals
Peer reviewed Peer reviewed
Chamberlain, William G., III – Science Activities, 1978
This laboratory exercise for junior or senior high school students forms a basis for expansion of concepts, offers opportunities for analytical thinking, and presents possibilities for independent thinking. (BB)
Descriptors: Earth Science, Electricity, Force, Force Field Analysis