20101022



=Introduction= Gears offer a way to transform an available input into a desired output. On bicycles, gears can make it easy to climb hills, or they can make it possible to boost speed, but they cannot do both at the same times.

=Activity= The slideshow below gives you an introduction to gears, ending with an example of the graded assignment. media type="custom" key="7276983" This Quia activity asks you to create a ratio chart for a 10-speed bicycle, and order the gear-combinations from easiest to pedal to hardest to pedal.

=Assessment=

1 Quality Point
Exercise is attempted with some success.

2 Quality Points
Exercise is attempted, and mostly successful.

3 Quality Points
Exercise is fully successful, regardless of number of attempts.

4 Quality Points
Exercise is supplemented with a coherent summary of the skills developed.

5 Quality Points
Exercise is supplemented with a high-quality educational contribution for the class wikispace. When you are ready to apply for the 4th or 5th Quality Points, click the image to the right!When you are ready to apply for the 4th or 5th Quality Points, click the image to the right!