Series:

Simple Machines

6 total works

Cover of Wedges

Wedges

by David Armentrout and Patricia Armentrout

Published 1 August 2009

Cover of Inclined Planes

Cover of Wheels

Wheels

by David Armentrout and Patricia Armentrout

Published 1 August 2009

Cover of Levers

Levers

by David Armentrout and Patricia Armentrout

Published 1 August 2009

Cover of Pulleys

Pulleys

by David Armentrout and Patricia Armentrout

Published 1 August 2009

Cover of Screws

Screws

by David Armentrout and Patricia Armentrout

Published 1 August 2009