How quick is quick? : science projects with time /
Robert Gardner ; illustrated by Tom Labaff.
- 48 pages : color illustrations ; 24 cm.
- Hot science experiments. .
- Gardner, Robert, 1929- Hot science experiments. .
"Originally published as It's about time science projects: How Long Does It Take? in 2003."
Includes bibliographical references (page 46) and index.
Safety first -- 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.
"Simple science experiments about measurement of time using everyday items with many experiments that can be turned into science fair projects."--Provided by publisher.
K to grade 3.
9780766066106 076606610X
2014026880
Time measurements--Experiments. Clocks and watches--Experiments. Science projects. Experiments.