Fredericks, Anthony D.-- <br/><br/>Simple nature experiments with everyday materials/ Fredericks, Anthony D.--  -- New Dehli:  Goodwill Publishing House <br/>128 p.:  ill.;  22 cm. <br/><br/> includes indexes. <br/><br/><label>ISBN: </label>8172451458 <br/><br/><label>Subjects--Topical Terms: </label><br/>Goodwill Pub. House,<br/><br/><label>Dewey Class. No.: </label>Elem 522 F872