00761nam a2200205Ia 4500001000700000003000500007005001700012008004100029010001500070020001500085043001200100050003100112082001900143245014000162260005000302300004900352500002200401650008200423710005000505194870BIBL20160527192349.0880812s1988 dcuaf b 00100 eng  a 88025445  a0309039347 an-us---0 aZ5818.S3bS38 1988aLB15850 a372.3/504421900aScience for childrenbresources for teacherscNational Science Resources Center, Smithsonian Institution, National Academy of Sciences.0 aWashington, DCbNational Academy Pressc1988. axi, 176 p., [1] leaf of platesbill.c28 cm. aIncludes indexes. 0aSciencexStudy and teaching (Elementary)zUnited StatesxBibliography.2Local20aNational Science Resources Center U.S.2Local