Experiments with a ruler
By: by Angela Royston
Series: One-stop science
Publisher: Franklin Watts
Published: 2011
Place of publication: London
Language: eng
Number of pages: 30
ISBN-13: 9781445101637
Subjects: Science; Juvenile literature; Experiments; Measuring instruments; Miscellanea; Rulers (Instruments); Physics
Description: "In this book about rulers you can: Find out about forces, levers, friction and air pressure; Discover how quickly you react; Make a catapult and much more!"--Back cover. Suggested level: primary.
Notes: Includes index.

Includes bibliographical references (p. 29) and index.
Table of contents: title: What is a ruler?; title: Measuring; title: Flicking power; title: Paper trick : air pressure; title: Who is faster?; title: A lifting machine; title: Comparing levers; title: Make a catapult; title: Seesaws; title: Money scales; title: Balancing unequal weights; title: Ramps; title: Testing different surfaces; title: Making it hum.