Unit 2 Review - Key

Self Assessment # 3 Key 

Self Assessment #4 Key

Extra Questions:

1. What is the difference between compound and stereo microscopes?
             Compound is used to look at small things like cells
             Stereo is used to look at larger things like an acorn.

2.       Finish the table and make a bar graph of the data.

Egg Number & Substance	Pre- soaking Mass	Post- soaking Mass	Percent Change of Egg Mass  (pos. or neg)	Type of Osmosis
1.  Distilled Water	89.39 g	94.98 g	6.25%
2.  Diet Coke	101.38 g	105.6 g	4.16%
3.  Mt. Dew	91.04 g	99.09 g	8.84%
4.  Gatorade	74.29 g	84.56 g	13.82%
5.  Sugar Water	102.40 g	106.28 g	3.79%
6.  Corn Syrup	74.28 g	54.08 g	-27.19%

 Graph is orientated (positioned) differently then in class. Position the graph so that the bar graphs go up and down. I do not know how to have excel create a bar graph that goes up and down.