00969nam a22002657a 45000010005000000030006000050050017000110080041000280200015000690400029000840500015001130820010001281000027001382450077001652600046002423000049002884900021003375050008003585200206003665210029005725210020006016500029006216500028006507000025006788381FISKH20250910111818.0250910b cb ||||| |||| 00| 0 eng d a0713612509 aFISKHbengcFISKHdFISKH aPZ10.S79 W a531.1 aSrivastava, Jane Jonas aWeighing & Balancing / cBy Jane Jonas Srivastava : Illustrated by Aliki aLondon : bAdam & Charles Black , c1970. a38 pages : bcolor illustrations ;c20 cm .  aYoung math books aL  aInstructs the reader in constructing a sensitive balance device from a wooden rod, string, cup hooks, and paper plates which can be used for experiments to determine the weight of some common objects. 8 a530 bLexile estimate 8 aL bRaz-Plus  aMeasurementvNon-fiction aYoung MathvNon-fiction aAliki eIllustrator