3 pt Calculations correct (turned in on paper)
2 pt Initial test results and changes made
2 pt description of how air bag volume was determined and total volume of bag
1 pt insert grams baking soda and volume vinegar into report
2 pt pictures inserted
1 pt discussion of stoichiometry in cars
1 pt least important ingredient and why
1 pt stoichiometry ratio on above important ingredient
1 pt balanced equations, and resulting ratio of sodium azide to potassium nitrate (by comparing equations)
1 pt properties of potassium nitrate (why there should not be excess potassium nitrate)
5 pt successful use of googledocs, including all students in lab group helped to edit the final electronic document

Total: 20 points