TY  - BOOK
AU  - Gardner,Robert
TI  - Simple machine experiments using seesaws, wheels, pulleys, and more: one hour or less science experiments 
T2  - Last-minute science projects
SN  - 0766039579 (lib. bdg.)
PY  - 2013///
CY  - Berkeley Heights, NJ
PB  - Enslow Publishers
KW  - Machinery
KW  - Experiments
KW  - Juvenile literature
KW  - Pulleys
KW  - Seesaw
KW  - Wheels
N1  - Includes bibliographical references (p. 46-47) and index; Are you running late? -- One hour or less -- 30 minutes or less -- 15 minutes or less -- 5 minutes or less
N2  - Describes experiments involving simple machines that follow the scientific method, and can be completed in an hour or less. Explore using levers to control motion and lift, and how the steepness of inclined planes affects the force needed to move something. Most experiments also include ideas for science fair projects
ER  -