Simple machines : A resource for Elementary and Junior high school science and technology teaching.
Título:
Simple machines : A resource for Elementary and Junior high school science and technology teaching.
PERSONAL_AUTHOR_EPSB:
Resumen:
This unit focuses around exploring the six designated simple machines: lever, wheel and axle (including gears), pulley, inclined plane, wedge, and screw. The six machines are generally categorized in two groups of three machines: lever, wheel and axle, and pulley in one group and inclined plane, wedge, and screw in the other.
Fecha de publicación como intervalo:
2002
1900-1999
Descripción física:
86p.:
Información de publicación:
Edmonton, Alberta : University of Alberta, c2002.
