0-10 points based on the level of completion.
0 pts
met only few expectations
12 pts
exceeded most expectations.
14 pts
exceeed all expectations with limited errors
16 pts
exceeded all expectations
20 pts
Includes topic sentence, definition of machine, input and output force, and input and output work.
The thesis statement is a well written sentence and the three factors that are changed for a machine to work.
Paragraphs should include a topic sentence stating the changing factor, a description of how the machine works, an example of this type of machine, and discussion of the mechanical advantage.
Definition of machine is restated. Restatement of thesis statement. Definition of mechanical efficiency, and discussion of what factors cause a machine to not work at 100% efficiency.
Essay is highly accurate in use of conventions. Five paragraph essay format is followed precisely.