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Author Gardner, Robert, 1929-
Title It's about time! Science projects : How long does it take? / Robert Gardner.
Pub Info [Berkeley Heights, NJ] : Enslow Publishers, c2003.
book jacket
 Eastham-Children's Coll.  J 529.7 GAR     AVAILABLE
 Orleans-Children's Room  J 529.7 GARD     AVAILABLE
Descript 48 p. : ill. ; 24 cm.
Series Sensational science experiments
Gardner, Robert, 1929- Sensational science experiments.
Note Accelerated Reader LG 4.8 1 1 86625
Bibliog. Includes bibliographical references and index.
Contents Time before clocks -- Measuring time with the sun -- A water clock -- A problem with water clocks -- A sand clock -- A candle clock -- Heart time -- From heart clock to pendulum clock -- A pendulum clock -- Running time -- Time to breathe -- Quick as a wink or a squeeze -- Time to fall -- How fast can you react? -- Decay time -- Estimating time -- Using time to stop motion -- A year of change.
Subject Time measurements -- Experiments -- Juvenile literature.
Time measurements -- Experiments.
Clocks and watches -- Experiments.
Science projects.
ISBN 0766020126
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