Simple machines  [dvd] 

 - Wynnewood, Penn. :  Winnipeg :  Schlessinger Media ;  National Book Service [distributor],  2004. 
 - 1 videodisc (23 min.) :  sd., col. ;  12 cm. +  1 teacher's guide. 
 - Schlessinger science library Physical science in action .
<br/><br/> "Closed-captioned by the National Captioning Institute" --Container.  "Produced and directed by First Light Pictures Inc." --Container.  Program in English and Spanish. 
<br/><br/>Executive producers, Andrew Schlessinger and Tracy Mitchell ; directed by Tarquin Cardona ; written by Tarquin Cardona ; producers, Olga Palacio and Bob Starner ; editors, Bob Tuero and Steve Sylvia.  Executive producers, Andrew Schlessinger and Tracy Mitchell ; directed by Tarquin Cardona ; written by Tarquin Cardona ; producers, Olga Palacio and Bob Starner ; editors, Bob Tuero and Steve Sylvia. 
<br/><br/> Designed to introduce students to the world of physical science and to its application and everyday life. This program presents a look at six simple machines: the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw. Examines the concepts of force, distance and work and describes the ways in which machines can make work easier. Also notes how simple machines can be combined to form compound machines. Other features include: Spanish and English language tracks ; discussion questions and activities ; an investigation data sheet ; chapter select ; and closed-captioning. 
<br/><br/> Grades 5-8. 
<br/><br/><label>ISBN: </label>1572259868 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Simple machines.<br/>Levers.<br/>Wheels.<br/>Axles.<br/>Pulleys.<br/>Inclined planes.<br/>Screws.<br/>Wedges.<br/>Work (Mechanics).<br/>Spanish language.--Audio-visual aids.
<br/><br/><label>Subjects--Index Terms: </label>GRADES 4-6 GRADES 7-SENIOR 1 
<br/><br/><label>Index Terms--Curriculum Objective: </label><br/>SCIENCE (GRADES K-10).
<br/><br/><label>Dewey Class. No.: </label>D 621.811 S55