Integrated Publishing
Integrated Publishing: The Wheel & Axle
A solid chapter explanation of the wheel & axle simple machine. Examples, the basic math, explanation of mechanical advantage, drawings, solved problem. Use the Next button. There are four pages in this chapter.
Other
R Campus: Rubric Studio & Rubric Gallery
This is a great free rubrics site. The Rubric Studio is a comprehensive rubric design and assessment tool. Teachers can build simple rubrics or complex rubrics with multiple sections and flexible number of rows and columns. In addition,...