ELLSWORTH, Wis. - The South Pole Experiment Contest is giving a group of 7 graders at Ellsworth Middle School in Ellsworth, Wisconsin a chance to do science at the South Pole. The contest, run by the ...
(ii) The materials which are attracted towards magnets are called _____. (iii) Paper is not a _____material. (iv) In olden days, sailors used to find direction by ...
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