Looks at inclined planes and wedges and using everyday materials shows how they help make work easier.

**This is the chapter slice "Inclined Planes, Wedges, and Screws" from the full lesson plan "Simple Machines"** Just how simple are simple machines? With our re

Examines Inclined Planes, Explains Their Functions, And Suggests Simple Experiments To Demonstrate How They Work.

Introduces six simple machines, describing how they work in more complex machinery and how they are used every day.

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! What do a doorstop, a butter knife, and