00300nam a2200109 a 450000500170000000800410001705000220005810000200008024500310010026000350013165000240016620140414132102.0100703s19uu    xx            00    eng d  aM 507.8bK34 1992  aKenda, Margaret  aScience wizardry for kids.  aNew York :bScholastic,c1992.  aScience experiments